Fuse terminal

Are you looking for high-quality and space-saving fuse terminals for your control cabinet? Are terminal blocks the same as fuse blocks? Here you can find out for which use the different fuse terminals are suitable. In the eibabo® technology store, you can obtain fuse clamps inexpensively and in large quantities from all well-known manufacturers. Shipping is worldwide. Fuse terminals are among the most important components in a control cabinet and have several functions. The terminals are snapped onto the top-hat rail of the control cabinet and form the connection between the distribution level and the installation level.

What is the difference between fuse terminals and terminal blocks?

The terminal block is a feed-through connection for one or more cables in the control cabinet. Depending on the application, it may be beneficial to protect a pass-through connection with a fuse. Fuse terminals consist of a base that takes on the function of the classic terminal block. A fuse is used in an additional fuse link carrier. The fuses may vary depending on the model and use case. Some variants have permanently installed circuit breakers. A fuse terminal block is therefore a terminal block with a separate fuse.

Why are fuse terminals one of the most important components in the control cabinet?

A large number of cables and lines arrive in a control cabinet. Depending on the complexity of the system, this can be several hundred pieces. These cables and lines are often very rigid and have a large cross-section. A direct connection to the respective fuses, actuators or other devices would therefore be very difficult. At this point, terminal blocks with and without fuses are used. The cables and lines arriving in the control cabinet are first clearly laid out on the terminals. The individual flexible wires can now be routed from the terminals to the respective devices in the control cabinet. This flexibility offers advantages during installation.

Source: eibabo®, Wago 281-611 fuse terminalImage: Wago 281-611 fuse terminal

Each connection now established has a specific function. This function is usually defined in a circuit diagram. Even after the control cabinet has been installed, the individual functions must remain traceable. A good overview of the system should be ensured for later extensions, change requests and maintenance work. If you would like to make changes after a while, these can now be done very easily by changing the individual wires. The handling of the rigid supply lines is therefore no longer necessary.

You can only connect two wires to many modular installation devices. Here, too, the clamps play to their advantage. If, for example, you have planned several cables for a modular installation device, you can provide these with clear jumpers on the fuse terminals. Control work and measurements can also be carried out very conveniently directly on the terminals. Relocating lines and troubleshooting are made much easier.

The safety clamps in detail

Fuse clamps can be constructed somewhat differently depending on the manufacturer. It is divided into single-level terminals and multi-level terminals. You can only connect one incoming and one outgoing line in the single-deck terminal. Several lines can be connected in multi-level terminals. For example, use a three-tier terminal for a cable with three wires. In this way you connect the protective conductor as well as the L line and the N line. This saves a lot of space and is mainly used in the private environment and in the smart home area. It is usual for the protective conductor contact to be made directly by the clamp connection with the top-hat rail. Other models have a connection point for a protective conductor.

Another distinguishing feature is the different ways of attaching a cable. With a screw terminal, the respective wire is attached to the terminal using a classic screw connection. That's safe, but more time consuming. A spring-loaded terminal makes the electrical contact using a mechanical spring. The spring consists of a bent copper contact with a hole. The contact is clamped with a pointed tool and the conductor can be inserted. If you remove the clamping tool, the spring is relieved and the conductor gets stuck.

Good to know

Fuse clamps are suitable for fastening solid conductors and flexible strands. Both variants are permitted. The use of ferrules makes handling flexible wires easier, as they do not accidentally fan out.


There is usually a pressure point for releasing this clamping connection, which can be pressed with a screwdriver or another narrow object. If you use particularly thin wires, insulation displacement terminals can be used. With these, contact is made through a small cut through the insulation.

Cables and wires are selected in different cross-sections depending on their function and area of application. This affects the selection of the appropriate fuse terminal. There are suitable fuse terminals for the common cable cross-sections. Which cross-sections are suitable in each case is indicated directly on the terminal. Fuse terminals typically offer the option of bridging the L conductor and the N conductor using several terminal blocks, sometimes on different levels. The matching cross bridges are also available here in the shop.

 


well thought out

Some terminals offer fields for labeling. Use this option to keep track of the installation at all times.


 

In addition, a distinction is made between fuse terminals in the design of the neutral conductor contact. Models marked 'NT' have special contacts for connection to an N busbar. When using a busbar, you need a clamp for the infeed as well as support blocks for secure fixing at the beginning and end of the busbar. When using 5-wire cables, you can also use multi-level terminals to connect the phase conductors.

What does push-in connection mean for a fuse terminal block?

A distinction is currently made between fuse terminals with three connection variants. These are the screw connection, the spring-cage connection and the push-in connection. Which connection variant you choose depends on the area of application, the costs and the expected time savings during installation. The push-in connection is the latest of these three variants. This is similar to the tension spring connection. As with the tension spring, a spring presses against the insulated conductor. The connection is therefore vibration-proof and maintenance-free. In contrast to the tension spring connection, the advantage is the tool-free installation. The wire is simply inserted into the terminal and a spring automatically locks. A standard screwdriver is sufficient to loosen the connection. This means that wiring can be carried out in a significantly shorter time. This applies in particular to cores with solid conductors. Wires with flexible conductors can also be fixed with this method using wire end sleeves.

 


TIP:

Please use square crimped ferrules for this. These offer more surface area for the spring to open. Front crimping pliers with square crimping are particularly suitable for working in hard-to-reach places and tight spaces.


 

Small gauge conductors may not be strong enough to open the spring. Here the support of the spring opening with a screwdriver is necessary.

Are there other accessories for fuse terminals?

Additional accessories are available for most fuse terminals. These include the cross-bridges and busbars already mentioned, test plugs, fuses, separator plates, end plates, feeds or end blocks.

Why are fuse terminals open on one side?

The available space in the control cabinet is specified in modular widths (HP). These provide information about the capacity of a control cabinet. Fuse clamps are not manufactured according to this grid dimension, but as narrow as possible. The narrower a terminal, the more terminals can be installed on a specific area of the DIN rail. Since fuse terminals are typically mounted directly next to each other on the DIN rail, there is no risk of touching the contacts on the open sides. Without a side cover, a terminal is narrower. A cover is only attached to the last terminal in a row.

Are there fuse terminals with a defect indicator?

Some models show defects. For example, some fuse terminals have an integrated LED, which is powered by the current present. If there is a defect, the LED does not light up and the installer can quickly localize the problem.

 

eibabo - technology store

 

Catalogue content:


In this eibabo® catalogue Terminal blocks > Fuse terminal block you will find items from the following product groups:

Item overview:

  • AC circuit breaker
  • Active power meter
  • Blade fuse terminal
  • Connection clamp
  • Control circuit breaker
  • Device circuit breaker
  • Direct current machine
  • Electricity meter
  • Energy meter
  • Four-wire meter
  • Fuse clip
  • Fuse terminal block
  • Glass fuse clip
  • Ground terminal
  • Guard clamp
  • Multi-level clamp
  • Plug-in circuit breaker
  • Protective terminal block
  • Reactive power meter
  • Screw cap clamp
  • Spring clip
  • Spring terminal
  • Terminal block
  • Terminal blocks
  • Terminal strip
  • Three-phase meter
  • Transducer counter
  • Transfer blocks


from the following manufacturers:

Manufacturer overview catalogue Fuse terminal:

  • Hager
  • Phoenix
  • Siemens
  • WAGO
  • Weidmüller
  • Wieland


 
Are you looking for high-quality and space-saving fuse terminals for your control cabinet? Are terminal blocks the same as fuse blocks? Here you can find out for which use the different fuse... read more »
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Fuse terminal – for order and clarity in the control cabinet

Are you looking for high-quality and space-saving fuse terminals for your control cabinet? Are terminal blocks the same as fuse blocks? Here you can find out for which use the different fuse terminals are suitable. In the eibabo® technology store, you can obtain fuse clamps inexpensively and in large quantities from all well-known manufacturers. Shipping is worldwide. Fuse terminals are among the most important components in a control cabinet and have several functions. The terminals are snapped onto the top-hat rail of the control cabinet and form the connection between the distribution level and the installation level.

What is the difference between fuse terminals and terminal blocks?

The terminal block is a feed-through connection for one or more cables in the control cabinet. Depending on the application, it may be beneficial to protect a pass-through connection with a fuse. Fuse terminals consist of a base that takes on the function of the classic terminal block. A fuse is used in an additional fuse link carrier. The fuses may vary depending on the model and use case. Some variants have permanently installed circuit breakers. A fuse terminal block is therefore a terminal block with a separate fuse.

Why are fuse terminals one of the most important components in the control cabinet?

A large number of cables and lines arrive in a control cabinet. Depending on the complexity of the system, this can be several hundred pieces. These cables and lines are often very rigid and have a large cross-section. A direct connection to the respective fuses, actuators or other devices would therefore be very difficult. At this point, terminal blocks with and without fuses are used. The cables and lines arriving in the control cabinet are first clearly laid out on the terminals. The individual flexible wires can now be routed from the terminals to the respective devices in the control cabinet. This flexibility offers advantages during installation.

Source: eibabo®, Wago 281-611 fuse terminalImage: Wago 281-611 fuse terminal

Each connection now established has a specific function. This function is usually defined in a circuit diagram. Even after the control cabinet has been installed, the individual functions must remain traceable. A good overview of the system should be ensured for later extensions, change requests and maintenance work. If you would like to make changes after a while, these can now be done very easily by changing the individual wires. The handling of the rigid supply lines is therefore no longer necessary.

You can only connect two wires to many modular installation devices. Here, too, the clamps play to their advantage. If, for example, you have planned several cables for a modular installation device, you can provide these with clear jumpers on the fuse terminals. Control work and measurements can also be carried out very conveniently directly on the terminals. Relocating lines and troubleshooting are made much easier.

The safety clamps in detail

Fuse clamps can be constructed somewhat differently depending on the manufacturer. It is divided into single-level terminals and multi-level terminals. You can only connect one incoming and one outgoing line in the single-deck terminal. Several lines can be connected in multi-level terminals. For example, use a three-tier terminal for a cable with three wires. In this way you connect the protective conductor as well as the L line and the N line. This saves a lot of space and is mainly used in the private environment and in the smart home area. It is usual for the protective conductor contact to be made directly by the clamp connection with the top-hat rail. Other models have a connection point for a protective conductor.

Another distinguishing feature is the different ways of attaching a cable. With a screw terminal, the respective wire is attached to the terminal using a classic screw connection. That's safe, but more time consuming. A spring-loaded terminal makes the electrical contact using a mechanical spring. The spring consists of a bent copper contact with a hole. The contact is clamped with a pointed tool and the conductor can be inserted. If you remove the clamping tool, the spring is relieved and the conductor gets stuck.

Good to know

Fuse clamps are suitable for fastening solid conductors and flexible strands. Both variants are permitted. The use of ferrules makes handling flexible wires easier, as they do not accidentally fan out.


There is usually a pressure point for releasing this clamping connection, which can be pressed with a screwdriver or another narrow object. If you use particularly thin wires, insulation displacement terminals can be used. With these, contact is made through a small cut through the insulation.

Cables and wires are selected in different cross-sections depending on their function and area of application. This affects the selection of the appropriate fuse terminal. There are suitable fuse terminals for the common cable cross-sections. Which cross-sections are suitable in each case is indicated directly on the terminal. Fuse terminals typically offer the option of bridging the L conductor and the N conductor using several terminal blocks, sometimes on different levels. The matching cross bridges are also available here in the shop.

 


well thought out

Some terminals offer fields for labeling. Use this option to keep track of the installation at all times.


 

In addition, a distinction is made between fuse terminals in the design of the neutral conductor contact. Models marked 'NT' have special contacts for connection to an N busbar. When using a busbar, you need a clamp for the infeed as well as support blocks for secure fixing at the beginning and end of the busbar. When using 5-wire cables, you can also use multi-level terminals to connect the phase conductors.

What does push-in connection mean for a fuse terminal block?

A distinction is currently made between fuse terminals with three connection variants. These are the screw connection, the spring-cage connection and the push-in connection. Which connection variant you choose depends on the area of application, the costs and the expected time savings during installation. The push-in connection is the latest of these three variants. This is similar to the tension spring connection. As with the tension spring, a spring presses against the insulated conductor. The connection is therefore vibration-proof and maintenance-free. In contrast to the tension spring connection, the advantage is the tool-free installation. The wire is simply inserted into the terminal and a spring automatically locks. A standard screwdriver is sufficient to loosen the connection. This means that wiring can be carried out in a significantly shorter time. This applies in particular to cores with solid conductors. Wires with flexible conductors can also be fixed with this method using wire end sleeves.

 


TIP:

Please use square crimped ferrules for this. These offer more surface area for the spring to open. Front crimping pliers with square crimping are particularly suitable for working in hard-to-reach places and tight spaces.


 

Small gauge conductors may not be strong enough to open the spring. Here the support of the spring opening with a screwdriver is necessary.

Are there other accessories for fuse terminals?

Additional accessories are available for most fuse terminals. These include the cross-bridges and busbars already mentioned, test plugs, fuses, separator plates, end plates, feeds or end blocks.

Why are fuse terminals open on one side?

The available space in the control cabinet is specified in modular widths (HP). These provide information about the capacity of a control cabinet. Fuse clamps are not manufactured according to this grid dimension, but as narrow as possible. The narrower a terminal, the more terminals can be installed on a specific area of the DIN rail. Since fuse terminals are typically mounted directly next to each other on the DIN rail, there is no risk of touching the contacts on the open sides. Without a side cover, a terminal is narrower. A cover is only attached to the last terminal in a row.

Are there fuse terminals with a defect indicator?

Some models show defects. For example, some fuse terminals have an integrated LED, which is powered by the current present. If there is a defect, the LED does not light up and the installer can quickly localize the problem.

 

eibabo - technology store

 

Catalogue content:


In this eibabo® catalogue Terminal blocks > Fuse terminal block you will find items from the following product groups:

Item overview:

  • AC circuit breaker
  • Active power meter
  • Blade fuse terminal
  • Connection clamp
  • Control circuit breaker
  • Device circuit breaker
  • Direct current machine
  • Electricity meter
  • Energy meter
  • Four-wire meter
  • Fuse clip
  • Fuse terminal block
  • Glass fuse clip
  • Ground terminal
  • Guard clamp
  • Multi-level clamp
  • Plug-in circuit breaker
  • Protective terminal block
  • Reactive power meter
  • Screw cap clamp
  • Spring clip
  • Spring terminal
  • Terminal block
  • Terminal blocks
  • Terminal strip
  • Three-phase meter
  • Transducer counter
  • Transfer blocks


from the following manufacturers:

Manufacturer overview catalogue Fuse terminal:

  • Hager
  • Phoenix
  • Siemens
  • WAGO
  • Weidmüller
  • Wieland
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WAGO - 282-122 - Fuse clamp 0.2-6qmm grey - G-fuse 5x20 mm terminal block 10A 13mm 282-122
430.98₹ excl. VAT

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(672.30₹ RRP***)
Fuse clamp 0.2-6qmm grey - G-fuse 5x20 mm terminal block 10A 13mm
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WAGO - 282-696 - Fuse clamp 0.2-6qmm, grey - Blade fuse terminal block 25A 8mm 282-696
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Fuse clamp 0.2-6qmm, grey - Blade fuse terminal block 25A 8mm
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WAGO - 2002-1611/1000-541 - Fuse terminal 2-wire - G-fuse 5x20 mm terminal block 6A 6,2mm 2002-1611/1000-541
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Fuse terminal 2-wire - G-fuse 5x20 mm terminal block 6A 6,2mm
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Phoenix - UKK 5-HESI (5X20) - Terminal 2-level sw - Fuse terminal block 32A 8,2mm UKK 5-HESI (5X20)
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Terminal 2-level sw - Fuse terminal block 32A 8,2mm
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WAGO - 2002-1611/1000-836 - Fuse terminal 2-wire - G-fuse 5x20 mm terminal block 6A 6,2mm 2002-1611/1000-836
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Fuse terminal 2-wire - G-fuse 5x20 mm terminal block 6A 6,2mm
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WAGO - 281-611 - Fuse clamp gray 0.08-4qmm - G-fuse 5x20 mm terminal block 10A 8mm 281-611
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Fuse clamp gray 0.08-4qmm - G-fuse 5x20 mm terminal block 10A 8mm
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Weidmüller - WSI 6 - Fuse clamp 60x7.9x62mm - G-fuse 5x20 mm terminal block 6,3A 7,9mm WSI 6
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Fuse clamp 60x7.9x62mm - G-fuse 5x20 mm terminal block 6,3A 7,9mm
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