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. 187-5327
Mfr. Part No.191760
BrandEaton
MYR298.06
Each
units
- - - DILAS - 8 4NO/4NC 4 A 415 V 24 V dc Screw 45mm 117mm 68mm
RS Stock No. 187-5359
Mfr. Part No.191759
BrandEaton
MYR960.36
Each
units
3 - 3P DILMS 3NO 5 2NO/3NC 32 A 400 V 230 V ac @ 50 Hz, 240 V ac @ 60 Hz Screw 56mm 138mm 85mm
RS Stock No. 187-5340
Mfr. Part No.191734
BrandEaton
MYR413.39
Each
units
3 - 3P DILMS 3NO 5 2NO/3NC 9 A 400 V 110 V ac @ 50 Hz, 120 V ac @ 60 Hz Screw 45mm 117mm 68mm
RS Stock No. 175-3207
Mfr. Part No.1SBL157082R1322
BrandABB Jokab
MYR348.51
Each
units
3 - 3P AFS 3NO 4 2NO/2NC 28 A 600 V ac 100 → 250 V dc, 100 → 250 V @ 50/60 Hz Screw 45mm 110.5mm 80mm
RS Stock No. 175-3226
Mfr. Part No.1SBL297082R1322
BrandABB Jokab
MYR782.63
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. 175-3233
Mfr. Part No.1SBL387082R1122
BrandABB Jokab
MYR1,455.90
Each
units
3 - 3P AFS 3NO 4 2NO/2NC 105 A 600 V ac 20 → 60 V dc, 24 → 60 V @ 50/60 Hz Screw 55mm 144mm 119.5mm
RS Stock No. 187-5344
Mfr. Part No.191743
BrandEaton
MYR388.45
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. 187-5331
Mfr. Part No.191701
BrandEaton
MYR268.93
Each
units
3 - 3P DILMS 3NO 5 2NO/3NC 7 A 400 V 110 V ac @ 50 Hz, 120 V ac @ 60 Hz Screw 45mm 117mm 68mm
RS Stock No. 175-3215
Mfr. Part No.1SBL237082R1322
BrandABB Jokab
MYR502.91
Each
units
3 - 3P AFS 3NO 4 2NO/2NC 45 A 600 V ac 100 → 250 V dc, 100 → 250 V @ 50/60 Hz Screw 45mm 119.5mm 80mm
RS Stock No. 187-5341
Mfr. Part No.191755
BrandMoeller
MYR413.39
Each
units
3 - 3P DILMS 3NO 5 2NO/3NC 9 A 400 V 230 V ac @ 50 Hz, 240 V ac @ 60 Hz Screw 45mm 117mm 68mm
RS Stock No. 187-5343
Mfr. Part No.191704
BrandEaton
MYR388.45
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. 175-3232
Mfr. Part No.1SBL367082R1322
BrandABB Jokab
MYR1,226.78
Each
units
3 - 3P AFS 3NO 4 2NO/2NC 100 A 600 V ac 100 → 250 V dc, 100 → 250 V @ 50/60 Hz Screw 55mm 144mm 119.5mm
RS Stock No. 187-5329
Mfr. Part No.191753
BrandEaton
MYR386.88
Each
units
- - - DILAS - 8 4NO/4NC 4 A 415 V 230 V ac @ 50 Hz, 240 V ac @ 60 Hz Screw 45mm 117mm 68mm
RS Stock No. 187-5350
Mfr. Part No.191744
BrandEaton
MYR541.92
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. 175-3199
Mfr. Part No.1SBL136082R3022
BrandABB Jokab
MYR419.96
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. 187-5347
Mfr. Part No.191757
BrandEaton
MYR521.42
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. 175-3241
Mfr. Part No.1SBL407082R1322
BrandABB Jokab
MYR1,961.48
Each
units
3 - 3P AFS 3NO 4 2NO/2NC 130 A 600 V ac 100 → 250 V dc, 100 → 250 V @ 50/60 Hz Screw 70mm 149mm 119.5mm
RS Stock No. 187-5338
Mfr. Part No.191741
BrandEaton
MYR272.15
Each
units
3 - 3P DILMS 3NO 5 2NO/3NC 9 A 400 V 230 V ac @ 50 Hz, 240 V ac @ 60 Hz Screw 45mm 117mm 68mm
RS Stock No. 187-5337
Mfr. Part No.191702
BrandEaton
MYR272.15
Each
units
3 - 3P DILMS 3NO 5 2NO/3NC 9 A 400 V 110 V ac @ 50 Hz, 120 V ac @ 60 Hz Screw 45mm 117mm 68mm
RS Stock No. 187-5360
Mfr. Part No.191726
BrandEaton
MYR1,413.65
Each
units
3 - 3P DILMS 3NO 5 2NO/3NC 32 A 400 V 24 → 27 V dc Screw 56mm 138mm 85mm