Products Found: 23

Showing Results For: Interlock Switches

Interlock Switches

Interlock switches in an electric circuit stop the current or change it from one conductor to another. When a guarding mechanism is required for machinery or industrial equipment, interlock switches are a type of safety device. The switch trips when the guard opens, opening the circuit and interfering with the circuit's current flow. If the circuit is broken, the equipment turns off.

What are Interlock Switches Used for?

The primary purpose of an interlock switch is safety. It can be interlocked to prohibit the machine from functioning when a guard is removed. If a dangerous situation may occur as a result, a control may be interlocked to render it inoperable.

All forms of machinery in manufacturing and industrial settings use interlock switches. In household environments, interlock switches are also employed in appliances like automatic gates and slam-lock doors.

Available Types of Interlock Switches

Safe and non-safe interlocks are the two primary varieties. To build a control system, certain systems require both safe and non-safe interlocks. Simple electromechanical switches like magnetic or limit switches can be used as interlock switches. They also come in more complicated forms with sophisticated actuators and sensors that work together to construct interlocking structures. Contemporary interlocking switches are multipole magnetic and unusually shaped key switches.

Safety interlocks

The safety interlock exemplifies the format of a programming directive. These safety features keep goods and people safe while the machine is operating. A safety barrier, for instance, prevents individuals from entering a robotic cell to avoid coming into contact with moving parts. The safety circuit cannot be reset when the cell's fence gate is opened since it is awaiting the gate's closure. This stops someone from entering a robot cell while it's in motion.

Non-safe Interlock

Non-safe interlocks are the other primary type of interlock. These are employed to safeguard machinery or unexpected actions. Noncontact safety interlocks operate by connecting a movable door guard to the hazard's power supply. An interlock, which stops the machine when tripped, is typically employed to help protect a machine from hurting its operator or destroying itself.


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Rohs Verified
HS1L-DT44KMSR-R, IDEC
4 In Stock
Check Stock & Lead Times Packaging Options
1 +
£ 257.55
25 +
£ 239.52
50 +
£ 226.64
Rohs Verified
3SE5232-0LU21, Siemens
2 In Stock
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1 +
£ 35.36
Rohs Verified
3SE5112-1QV10, Siemens
1 In Stock
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1 +
£ 80.54
Rohs Verified
HS1L-DQ44KMSR-R, IDEC
11 In Stock
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1 +
£ 206.04
25 +
£ 191.63
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£ 181.31
Rohs Verified
HS5L-DD44LM-G, Idec
4 In Stock
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1 +
£ 192.21
25 +
£ 178.76
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£ 169.16
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HS5L-VC44M-G, Idec
9 In Stock
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£ 127.54
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£ 118.61
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£ 112.23
Rohs Verified
3SE5112-0LU21, Siemens
Pre Order
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£ 44.50
Rohs Verified
HS5L-VC44LM-G, Idec
2 In Stock
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£ 192.05
25 +
£ 178.62
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£ 169.01
Rohs Verified
3SE5232-0LU22, Siemens
Pre Order
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£ 35.36
Rohs Verified
HS5L-VA7Y4M-G, Idec
12 In Stock
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1 +
£ 127.54
25 +
£ 118.61
50 +
£ 112.23
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HS5L-VC7Y4M-G, Idec
22 In Stock
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£ 159.42
25 +
£ 148.27
50 +
£ 140.29
Rohs Verified
3SE5112-0LU22, Siemens
Pre Order
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1 +
£ 51.58
Rohs Verified
HS5L-VA44LM-G, Idec
18 In Stock
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1 +
£ 153.65
25 +
£ 142.89
50 +
£ 135.20
Rohs Verified
HS5L-DD44M-G, Idec
1 In Stock
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1 +
£ 159.42
25 +
£ 148.27
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£ 140.29
Rohs Verified
HS5L-VA44M-G, Idec
18 In Stock
Check Stock & Lead Times Packaging Options
1 +
£ 159.42
25 +
£ 148.27
50 +
£ 140.29
Rohs Verified
HS1L-DT44KMSR-G, IDEC
8 In Stock
Check Stock & Lead Times Packaging Options
1 +
£ 257.55
25 +
£ 239.52
50 +
£ 226.64
Rohs Verified
3SE5232-0HU21, Siemens
Pre Order
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1 +
£ 32.90
Rohs Verified
HS5D-02RN, IDEC
Pre Order
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£ 35.12
Rohs Verified
HS5D-11RN, IDEC
1 In Stock
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£ 35.12
Phoenix Contact
Rohs Verified
2702973, Phoenix Contact
10 In Stock
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£ 26.38
Phoenix Contact
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2702975, Phoenix Contact
7 In Stock
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£ 106.63
Phoenix Contact
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2702972, Phoenix Contact
1 In Stock
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£ 144.99
Phoenix Contact
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2702976, Phoenix Contact
1 In Stock
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£ 123.02
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New Items
New items
2702973, Phoenix Contact

2702973, Phoenix Contact

Proximity safety circuit, coded actuator, compatible with all sensor coding types, supplied inductively via the sensor. The PSR-CT safety circuit consists of a combination of a PSR-CT-...-SEN-1-8 sensor with varying coding types and a coded PSR-CT-C-ACT actuator. It provides maximum tamper protection and the highest level of safety. The PSR-CT safety circuit is available with the following types of coding: Fixcode: For the sensor to detect the actuator, the actuator must first be associated with the sensor via a learning process. The learning process can only be completed once. The sensor and actuator are then permanently assigned to each other by their coding. Safety circuits with fixcode evaluation achieve a high coding level. Unicode: For the sensor to detect the actuator, the actuator must first be assigned to the sensor via a learning process. The learning process for a new actuator can be repeated any number of times. The sensor only detects the last learned actuator. Safety circuits with unicode evaluation achieve a high coding level. Multicode: The sensor detects every actuator of the approved type. No specific actuator code can be assigned. Safety circuits with multicode evaluation achieve a low coding level.
New items
HS1L-DT44KMSR-R, IDEC

HS1L-DT44KMSR-R, IDEC

SAFETY SWITCH SPRING LOCK
New items
3SE5232-0LU21, Siemens

3SE5232-0LU21, Siemens

3SE5 Hinge Switch The SIRIUS 3SE5 Series hinge switch is designed for monitoring hinged doors and flaps. These mechanical position switches offer excellent protection from tampering thanks to the fixed, positive pivoting point connection between switch and door hinge. They have a standard enclosure according to EN 50047 and EN 50041 and a very small operating angle. Simultaneous shut down and signalling is provided in addition by the snap-action contacts. For the mechanical monitoring of protective doors or flaps Protection up to Cat 4 (EN 954-1), Up to SIL 3 IEC 62061 Snap on contacts Simple, fast wiring offers approx 20 to 25% reduction in connection time Cable entry M20 x 1.5 Actuator head can be rotated in 22.5° increments Note Actuators are supplied, accessories are for spares. Hinge Switch
New items
3SE5112-1QV10, Siemens

3SE5112-1QV10, Siemens

3SE5 Series, Standard The SIRIUS 3SE5 position switches are designed to ensure that the safety mechanism on protective doors cannot be deactivated. Also the multiple mechanical coding of these interlock switches virtually eliminates the possibility of tampering. The separate actuator is mounted directly on the protective door and moves into the opening on the switch when the door is closed. Once the door is opened, the actuator is removed from the switch and the NC contacts open breaking the circuit safely and reliably. 5 directions of approach, from above and 4 x 90° IP67 degree of protection Protection up to Cat 4 (EN 954-1), Up to SIL 3 IEC 62061 Simple, fast wiring offers approx 20 to 25% reduction in connection time ASIsafe electronics are now integrated into the enclosure for additional space saving LED versions available for on-site diagnosis Slow action contacts Screw terminals Note Actuators must be purchased separately. Interlock Switch
New items
HS1L-DQ44KMSR-R, IDEC

HS1L-DQ44KMSR-R, IDEC

SAFETY SWITCH SPRING LOCK
New items
HS5L-VC44M-G, Idec

HS5L-VC44M-G, Idec

Four-contact solenoid interlock switches ideal for use on limited mounting spaces such as small doors. Compact body: 35 ´ 40 ´ 127mm The locking strength is 1400N. Spring clamp terminal block prevents loosening of wires due to vibration. A variety of circuits. Dual safety circuit and four-circuit independent outputs available. Gold-plated contacts suitable for small loads. Spring lock models (unlocks when the solenoid is energized) and solenoid lock models (locks when solenoid is energized) are available. The head orientation can be rotated, allowing 8 different actuator entries. Actuators can be used with other HS5 series interlock switches. Spring loaded actuator exclusive for HS5L available. LED indicator shows solenoid operation.
New items
2702975, Phoenix Contact

2702975, Phoenix Contact

Proximity safety circuit, multicode sensor with RFID coding, model 4, automatic or manual start, integrated diagnostics, 24 V DC supply, M12 connector. The PSR-CT safety circuit consists of a combination of a PSR-CT-...-SEN-1-8 sensor with varying coding types and a coded PSR-CT-C-ACT actuator. It provides maximum tamper protection and the highest level of safety. The PSR-CT safety circuit is available with the following types of coding: Fixcode: For the sensor to detect the actuator, the actuator must first be associated with the sensor via a learning process. The learning process can only be completed once. The sensor and actuator are then permanently assigned to each other by their coding. Safety circuits with fixcode evaluation achieve a high coding level. Unicode: For the sensor to detect the actuator, the actuator must first be assigned to the sensor via a learning process. The learning process for a new actuator can be repeated any number of times. The sensor only detects the last learned actuator. Safety circuits with unicode evaluation achieve a high coding level. Multicode: The sensor detects every actuator of the approved type. No specific actuator code can be assigned. Safety circuits with multicode evaluation achieve a low coding level.
New items
HS1L-DT44KMSR-G, IDEC

HS1L-DT44KMSR-G, IDEC

SAFETY SWITCH SPRING LOCK
FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Interlock Switches and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Interlock Switches or any other product.
This depends on the Interlock Switches individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Interlock Switches and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Interlock Switches.
Yes. We keep updating our stock frequently and if a product like Interlock Switches is not in stock then we will let you know.