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. 782-3009
Mfr. Part No.P40P42D12P1-24
kr 1 104,38
Each
Units
- - 3PST P40 NO - - 40 A - 24 V dc - - - -
RS Stock No. 782-3049
Mfr. Part No.PRDA-11AGA-120
kr 643,66
Each
Units
- - DPDT PRD - - - 30 A - 120 V ac - - - -
RS Stock No. 422-6824
Mfr. Part No.700S-CF530KDC
kr 696,85
Each
Units
8 - 4P 700S-CF 5NO/3NC 4 2NO/2NC 25 A 690 V ac 110 V ac Wire 119.5mm 45mm 81mm
RS Stock No. 175-3220
Mfr. Part No.1SBL277082R1322
BrandABB Jokab
kr 1 164,61
Each
Units
3 - 3P AFS 3NO 4 2NO/2NC 50 A 600 V ac 100 → 250 V dc, 100 → 250 V @ 50/60 Hz Screw 45mm 119.5mm 80mm
RS Stock No. 187-5351
Mfr. Part No.191711
BrandEaton
kr 1 504,79
Each
Units
3 - 3P DILMS 3NO 5 2NO/3NC 25 A 400 V 24 → 27 V dc Screw 56mm 138mm 85mm
RS Stock No. 422-6830
Mfr. Part No.700S-CF530KFC
kr 696,85
Each
Units
8 - 4P 700S-CF 5NO/3NC 4 2NO/2NC 25 A 690 V ac 230 V ac Wire 119.5mm 45mm 81mm
RS Stock No. 175-3212
Mfr. Part No.1SBL236082R3022
BrandABB Jokab
kr 1 042,57
Each
Units
3 - 3P AFS 3NO 4 2NO/2NC 45 A 600 V ac 24 V dc Screw 45mm 119.5mm 80mm
RS Stock No. 776-8463
Mfr. Part No.100S-C12EJ23C
kr 1 156,43
Each
Units
3 - 3P 100S-C 2NO/3NC 5 2NO/3NC 12 A 690 V ac 24 V dc - 81mm 45mm 125.5mm
RS Stock No. 776-8469
Mfr. Part No.100S-C09EJ23C
kr 1 096,62
Each
Units
3 - 3P 100S-C 2NO/3NC 5 2NO/3NC 9 A 690 V ac 24 V dc - 81mm 45mm 125.5mm
RS Stock No. 776-8491
Mfr. Part No.700S-CF440EJC
kr 1 146,46
Each
Units
- - 4P 700S-CF 3NO/NC, NO/3NC 4 - 25 A 690 V ac 24 V dc - 81mm 45mm 125.5mm
RS Stock No. 187-5343
Mfr. Part No.191704
BrandEaton
kr 746,88
Each
Units
3 - 3P DILMS 3NO 5 2NO/3NC 18 A 400 V 110 V ac @ 50 Hz, 120 V ac @ 60 Hz Screw 56mm 138mm 85mm
RS Stock No. 183-4598
Mfr. Part No.100S-E146ED12C
kr 5 326,56
Each
Units
3 - - 100S-E - 3 2NC/NO 146 A - 100 → 250 V ac/dc Screw 90mm 142.5mm 150mm
RS Stock No. 175-3238
Mfr. Part No.1SBL397082R1322
BrandABB Jokab
kr 2 988,28
Each
Units
3 - 3P AFS 3NO 4 2NO/2NC 125 A 600 V ac 100 → 250 V dc, 100 → 250 V @ 50/60 Hz Screw 70mm 149mm 119.5mm
RS Stock No. 422-6341
Mfr. Part No.100S-C09KF23C
kr 711,80
Each
Units
3 - 3P 100S-C 5NO/3NC 5 2NO/3NC 9 A 525 V ac 230 V ac Screw 81mm 45mm 119.5mm
RS Stock No. 776-8472
Mfr. Part No.100S-C16EJ23C
kr 1 325,91
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. 187-5355
Mfr. Part No.191706
BrandEaton
kr 1 348,75
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. 422-6509
Mfr. Part No.100S-C30KD22C
kr 1 455,51
Each
Units
3 - 3P 100S-C 5NO/2NC 4 2NO/2NC 30 A 525 V ac 110 V ac Screw 81mm 45mm 136.5mm
RS Stock No. 175-3229
Mfr. Part No.1SBL347082R1322
BrandABB Jokab
kr 1 559,96
Each
Units
3 - 3P AFS 3NO 4 2NO/2NC 70 A 600 V ac 100 → 250 V dc, 100 → 250 V @ 50/60 Hz Screw 55mm 144mm 119.5mm
RS Stock No. 187-5358
Mfr. Part No.191738
BrandEaton
kr 1 846,54
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. 187-5347
Mfr. Part No.191757
BrandEaton
kr 1 062,07
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
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