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. 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. 766-1918
Mfr. Part No.3TK2851-1AL20
BrandSiemens
kr 3 868,36
Each
Units
- SIRIUS 2P 3TK28 2NO/NC - - 10 A 600 V ac 230 V ac Screw 132mm 90mm 108mm
RS Stock No. 187-5354
Mfr. Part No.191725 & DILMS25-R23(RDC24)
BrandEaton
kr 1 804,57
Each
Units
3 - 3P DILMS 3NO 5 2NO/3NC 25 A 400 V 24 → 27 V dc Screw 56mm 138mm 85mm
RS Stock No. 187-5330
Mfr. Part No.191720 & DILAS-R44(24VDC)
BrandEaton
kr 795,61
Each
Units
- - - DILAS - 8 4NO/4NC 4 A 415 V 24 V dc Screw 45mm 117mm 68mm
RS Stock No. 175-3218
Mfr. Part No.1SBL276082R3022
BrandABB Jokab
kr 1 197,45
Each
Units
3 - 3P AFS 3NO 4 2NO/2NC 50 A 600 V ac 24 V dc Screw 45mm 119.5mm 80mm
RS Stock No. 422-6650
Mfr. Part No.100S-C60DJ22C
kr 3 628,80
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. 422-6600
Mfr. Part No.100S-C43KF22C
kr 2 193,23
Each
Units
3 - 3P 100S-C 5NO/2NC 4 2NO/2NC 43 A 525 V ac 230 V ac Screw 81mm 54mm 139.5mm
RS Stock No. 776-8501
Mfr. Part No.700S-CF530EJC
kr 1 156,43
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. 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. 175-3220
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. 175-3206
Mfr. Part No.1SBL157082R1122
BrandABB Jokab
kr 768,00
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. 187-5348
Mfr. Part No.191724 & DILMS17-R23(RDC24)
BrandEaton
kr 1 535,38
Each
Units
3 - 3P DILMS 3NO 5 2NO/3NC 18 A 400 V 24 → 27 V dc Screw 56mm 138mm 85mm
RS Stock No. 175-3203
Mfr. Part No.1SBL137082R1322
BrandABB Jokab
kr 504,19
Each
Units
3 - 3P AFS 3NO 4 2NO/2NC 25 A 600 V ac 100 → 250 V dc, 100 → 250 V @ 50/60 Hz Screw 45mm 110.5mm 80mm
RS Stock No. 422-6587
Mfr. Part No.100S-C43KJ22C
kr 2 193,23
Each
Units
3 - 3P 100S-C 5NO/2NC 4 2NO/2NC 43 A 525 V ac 24 V ac Screw 81mm 54mm 139.5mm
RS Stock No. 776-8504
Mfr. Part No.700S-CF620EJC
kr 1 146,46
Each
Units
- - 6P 700S-CF 3NO/NC 4 - 25 A 690 V ac 24 V dc - 81mm 45mm 125.5mm
RS Stock No. 183-4597
Mfr. Part No.100S-E116KD12C
kr 4 224,96
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 187-5342
Mfr. Part No.191722 & DILMS9-R23(24VDC)
BrandEaton
kr 795,61
Each
Units
3 - 3P DILMS 3NO 5 2NO/3NC 9 A 400 V 24 V dc Screw 45mm 117mm 68mm
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
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100S-E MCS-E Safety Contactor ,146A, AC3 duty , ...
Description:
100S-E MCS-E Safety Contactor ,146A, AC3 duty , 100-250V 50/60Hz / 100-250V DC Electronic Coil , 1 N.O. 1 N.C. Standard & 0 N.O. 1 N.C. Lower Power Auxiliary Contacts.
100S-E MCS-E Safety Contactor ,205A, AC3 duty , ...
Description:
100S-E MCS-E Safety Contactor ,205A, AC3 duty , 100-250V 50/60Hz / 100-250V DC Electronic Coil w/ PLC Interface , 1 N.O. 1 N.C. Standard & 0 N.O. 1 N.C. Lower Power Auxiliary Contacts.
100S-E MCS-E Safety Contactor ,265A, AC3 duty , ...
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100S-E MCS-E Safety Contactor ,265A, AC3 duty , 100-250V 50/60Hz / 100-250V DC Electronic Coil , 1 N.O. 1 N.C. Standard & 0 N.O. 1 N.C. Lower Power Auxiliary Contacts.
All versions of the DILMS safety contactor are ...
Description:
All versions of the DILMS safety contactor are equipped with a top-mounted auxiliary contact that is non-detachable. The integrated mirror contacts and interlocked opposing contacts make this contactor even safer. The contactor’s yellow cover allows for quick and easy identification. ...