Industrial Surge Protection

Industrial surge protection components protect devices and equipment against changes in the electrical current running through the system. Current spikes or transients can cause significant damage to equipment and is also a safety hazard. You can learn more in our complete guide to industrial surge protection.

What is industrial surge protection used for?

Industrial surge protection involves the use of surge suppressors and surge arresters.

Suppressors protect equipment from voltage spikes. They block or short to ground the current in, for instance, power distribution panels, process control systems and heavy industrial systems.

Arresters protect machinery from external occurrences that cause over-voltage transients like lightning strikes or switching events. These are installed in power transmission and distribution systems.

Types of industrial surge protection

Four primary types of industrial surge protection exist:

  • Secondary surge arresters fixed to the line side of the service panel to protect against current surges from lightning or switching events.
  • Branch surge panels are fixed to the load side of the main service entrance and offer protection against motor driven and internally generated surges.
  • Power strips protect sensitive electronics with lower voltage and ampere capabilities by blocking current spikes.
  • Surge protection modules provide point-of-use protection by protecting against overvoltage and current spikes.

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Description Price Maximum Surge Current Range Voltage Protection Rating Electrical Phase Series Mounting Style Impulse Discharge Current Length Width Depth Minimum Operating Temperature Maximum Operating Temperature Dimensions Operating Temperature Range
RS Stock No. 890-3809
Mfr. Part No.2905238
£208.49
Each
Units
- - - - CBB 04 2X2RC-PT DIN Rail - 127.8mm 108.5mm 70.8mm -30°C +60°C 127.8 x 108.5 x 70.8mm -30 → +60 °C
RS Stock No. 776-3874
Mfr. Part No.A9L16299
£391.56
Each
Units
2kA Acti 9 - - iPRD DIN Rail - 94mm 113.6mm 75.9mm -25°C +60°C 94 x 113.6 x 75.9mm -25 → +60 °C
RS Stock No. 122-9479
Mfr. Part No.3RT2926-1CE00
BrandSiemens
£9.09
Each
Units
- Sirius Innovation 400V ac - - - - 11.5mm 18.6mm 30.2mm -25°C +60°C 11.5 x 18.6 x 30.2mm -25 → +60 °C
RS Stock No. 122-9478
Mfr. Part No.3RT2926-1CB00
BrandSiemens
£9.09
Each
Units
- Sirius Innovation 48 V ac, 70V dc - - - - 11.5mm 18.6mm 30.2mm -25°C +60°C 11.5 x 18.6 x 30.2mm -25 → +60 °C
RS Stock No. 776-3830
Mfr. Part No.A9L16617
£240.13
Each
Units
10kA Acti 9 - - iPRD DIN Rail - 109.7mm 36mm 72.1mm -5°C +60°C 109.7 x 36 x 72.1mm -5 → +60 °C
RS Stock No. 890-3774
Mfr. Part No.2801219
£215.02
Each
Units
- - - - PT-IQ-4X1-48DC-UT DIN Rail 2.5kA 91mm 17.7mm 77.5mm -40°C +70°C 91 x 17.7 x 77.5mm -40 → +70 °C
RS Stock No. 890-3733
Mfr. Part No.2905348
£173.93
Each
Units
- - 1.2kV 1 VAL-SEC-T2-1S-175-FM DIN Rail 40kA 97.9mm 25.4mm 74.5mm -40°C +80°C 97.9 x 25.4 x 74.5mm -40 → +80 °C
RS Stock No. 890-3711
Mfr. Part No.2905419
£512.60
Each
Units
- - 2kV 3 FLT-SEC-P-T1-3C-350/25-FM DIN Rail 25kA 95.2mm 106.8mm 74.5mm -40°C +80°C 95.2 x 106.8 x 74.5mm -40 → +80 °C
RS Stock No. 890-3777
Mfr. Part No.2800769
£143.37
Each
Units
- - - - PT-IQ-1X2-TELE-UT DIN Rail 2.5kA 91.1mm 17.7mm 77.5mm -40°C +70°C 91.1 x 17.7 x 77.5mm -40 → +70 °C
RS Stock No. 776-3878
Mfr. Part No.A9L16296
£432.16
Each
Units
5kA Acti 9 - - iPRD DIN Rail - 94mm 113.6mm 75.9mm -25°C +60°C 94 x 113.6 x 75.9mm -25 → +60 °C
RS Stock No. 890-3702
Mfr. Part No.2905415
£407.54
Each
Units
- - 2kV 1 FLT-SEC-P-T1-1S-350/25-FM DIN Rail 100kA 95.2mm 71.2mm 74.5mm -40°C +80°C 95.2 x 71.2 x 74.5mm -40 → +80 °C
RS Stock No. 890-3792
Mfr. Part No.2800906
£39.98
Each
Units
- - - - CB E1 24DC/8A NO P - - 90mm 12.3mm 77.3mm -25°C +50°C 90 x 12.3 x 77.3mm -25 → +50 °C
RS Stock No. 190-2024
Mfr. Part No.SV480DA-U4
£57.63
Each
Units
- - - 3 SV Surface Mount 500A 44mm 42mm 37.5mm - - 44 x 42 x 37.5mm -
RS Stock No. 190-2025
Mfr. Part No.SV550DA-U4
£59.28
Each
Units
- - - 3 SV Surface Mount 500A 44mm 42mm 37.5mm - - 44 x 42 x 37.5mm -
New
RS Stock No. 201-5241
Mfr. Part No.1032207
£490.27
Each
Units
- - - - - - - - - - - - - -
New
RS Stock No. 201-5320
Mfr. Part No.1065313
£113.27
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 136-3874
Mfr. Part No.1SNA295405R2700
BrandABB
£3.32
Each
Units
- - - - - DIN Rail - 36mm 46mm 50mm -55°C +110°C 36 x 46 x 50mm -55 → +110 °C
New
RS Stock No. 201-5575
Mfr. Part No.2906821
£76.99
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 136-3875
Mfr. Part No.1SNA199412R1500
BrandABB
£1.38
Each
Units
- - - - - DIN Rail - 1.2mm 54mm 55mm -55°C +110°C 1.2 x 54 x 55mm -55 → +110 °C
New
RS Stock No. 201-5576
Mfr. Part No.2907876
£171.19
Each
Units
- - - - - - - - - - - - - -