Safety Contactors

Safety contactors are a type of safety relay, designed to ensure that if there is a fault either externally or within a device, the circuit will remain safe. They monitor functions in the circuit and react to faults, often by stopping or preventing the movement of parts.

How do safety contactors work?

Safety contactors are devices used for risk reduction in industrial settings. They work by switching the power in an electronic circuit, usually by breaking the circuit with electrical contacts. When a fault is detected, they will isolate the function they are monitoring, preventing it from continuing to work.

Each safety contactor measures a specific function, and there is usually a whole network of interconnected safety contactors working together to minimise risk.

Types of safety contactors

Safety contacts can vary by design in a number of different ways. This includes the number of contacts, their current and voltage rating, and their dimensions, which can vary quite significantly.


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Description Price Number of Contacts Range Pole and Throw Configuration Series Normal State Configuration Number Of Auxiliary Contacts Auxiliary Contacts Contact Current Rating Contact Voltage Rating Coil Voltage Terminal Type Length Width Depth
RS stock no. 422-6420
Mfr. Part No.100S-C16KF23C
R 1,619.12
Each
units
3 - 3P 100S-C 5NO/3NC 5 2NO/3NC 16 A 525 V ac 230 V ac Screw 81mm 45mm 119.5mm
RS stock no. 187-5347
Mfr. Part No.191757 & DILMS17-R23(230V50HZ,240V60HZ)
BrandEaton
R 1,919.30
Each
units
3 - 3P DILMS 3NO 5 2NO/3NC 18 A 400 V 230 V ac @ 50 Hz, 240 V ac @ 60 Hz Screw 56mm 138mm 85mm
RS stock no. 187-5336
Mfr. Part No.191721 & DILMS7-R23(24VDC)
BrandEaton
R 1,501.48
Each
units
3 - 3P DILMS 3NO 5 2NO/3NC 7 A 400 V 24 V dc Screw 45mm 117mm 68mm
RS stock no. 175-3199
Mfr. Part No.1SBL136082R3022
BrandABB Jokab
R 1,572.06
Each
units
3 - 3P AFS 3NO 4 2NO/2NC 25 A 600 V ac 24 V dc Screw 45mm 110.5mm 80mm
RS stock no. 187-5354
Mfr. Part No.191725 & DILMS25-R23(RDC24)
BrandEaton
R 3,535.74
Each
units
3 - 3P DILMS 3NO 5 2NO/3NC 25 A 400 V 24 → 27 V dc Screw 56mm 138mm 85mm
RS stock no. 776-8472
Mfr. Part No.100S-C16EJ23C
R 2,237.98
Each
units
3 - 3P 100S-C 2NO/3NC 5 2NO/3NC 16 A 690 V ac 24 V dc - 81mm 45mm 125.5mm
RS stock no. 422-6650
Mfr. Part No.100S-C60DJ22C
R 6,100.92
Each
units
3 - 3P 100S-C 5NO/2NC 4 2NO/2NC 60 A 525 V ac 24 V dc Screw 122mm 72mm 156mm
RS stock no. 187-5358
Mfr. Part No.191738 & DILMS32-R23(110V50HZ,120V60HZ)
BrandEaton
R 3,222.87
Each
units
3 - 3P DILMS 3NO 5 2NO/3NC 32 A 400 V 110 V ac @ 50 Hz, 120 V ac @ 60 Hz Screw 56mm 138mm 85mm
RS stock no. 175-3209
Mfr. Part No.1SBL177082R1122
BrandABB Jokab
R 1,834.23
Each
units
3 - 3P AFS 3NO 4 2NO/2NC 30 A 600 V ac 20 → 60 V dc, 24 → 60 V @ 50/60 Hz Screw 45mm 110.5mm 80mm
RS stock no. 776-8501
Mfr. Part No.700S-CF530EJC
R 2,110.20
Each
units
- - 5P 700S-CF 2NO/2NC, 3NO/NC 4 - 25 A 690 V ac 24 V dc - 81mm 45mm 125.5mm
RS stock no. 776-8488
Mfr. Part No.100S-C37EJ22C
R 3,477.18
Each
units
3 - 3P 100S-C 2NO/2NC 4 2NO/2NC 37 A 690 V ac 24 V dc - 81mm 45mm 143mm
RS stock no. 776-8475
Mfr. Part No.100S-C23EJ23C
R 2,723.14
Each
units
3 - 3P 100S-C 2NO/3NC 5 2NO/3NC 23 A 690 V ac 24 V dc - 81mm 45mm 125.5mm
RS stock no. 422-6773
Mfr. Part No.700S-CF440KDC
R 1,580.54
Each
units
8 - 4P 700S-CF 4NO/4NC 4 NO/3NC 25 A 690 V ac 110 V ac Wire 119.5mm 45mm 81mm
RS stock no. 187-5327
Mfr. Part No.191760 & DILAS-44(24VDC)
BrandEaton
R 1,057.08
Each
units
- - - DILAS - 8 4NO/4NC 4 A 415 V 24 V dc Screw 45mm 117mm 68mm
RS stock no. 183-4596
Mfr. Part No.100S-E116ED12CL
R 8,440.10
Each
units
3 - - 100S-E - 3 2NC/NO 116 A - 100 → 250 V ac/dc Screw 90mm 142.5mm 150mm
RS stock no. 422-6638
Mfr. Part No.100S-C60KD22C
R 5,379.11
Each
units
3 - 3P 100S-C 5NO/2NC 4 2NO/2NC 60 A 525 V ac 110 V ac Screw 122mm 72mm 156mm
RS stock no. 175-3206
Mfr. Part No.1SBL157082R1122
BrandABB Jokab
R 1,621.70
Each
units
3 - 3P AFS 3NO 4 2NO/2NC 28 A 600 V ac 20 → 60 V dc, 24 → 60 V @ 50/60 Hz Screw 45mm 110.5mm 80mm
RS stock no. 175-3238
Mfr. Part No.1SBL397082R1322
BrandABB Jokab
R 6,332.65
Each
units
3 - 3P AFS 3NO 4 2NO/2NC 125 A 600 V ac 100 → 250 V @ 50/60 Hz, 100 → 250 V dc Screw 70mm 149mm 119.5mm
RS stock no. 187-5350
Mfr. Part No.191744 & DILMS25-23(230V50HZ,240V60HZ)
BrandEaton
R 1,892.38
Each
units
3 - 3P DILMS 3NO 5 2NO/3NC 25 A 400 V 230 V ac @ 50 Hz, 240 V ac @ 60 Hz Screw 56mm 138mm 85mm
RS stock no. 183-4603
Mfr. Part No.100S-E205KD12C
R 11,558.36
Each
units
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