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.

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. 890-3736
Mfr. Part No.2905333
€196.54
Each
units
- - 1.8kV 1 VAL-SEC-T2-1S-350-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. 712-5285
Mfr. Part No.2800183
€530.42
Each
units
50kA - 250V ac 3 VAL-MS-T1/T2 335/12.5/3+1-FM DIN Rail 12.5kA 99mm 71.2mm 77.5mm -40°C +80°C 99 x 71.2 x 77.5mm -40 → +80 °C
RS Stock No. 890-3746
Mfr. Part No.2906101
€50.01
Each
units
- - ≤1.5kV - BLT-T2-1S-320-UT - 20kA 56mm 36.5mm 34mm -40°C +80°C 56 x 36.5 x 34mm -40 → +80 °C
RS Stock No. 890-3742
Mfr. Part No.2905340
€336.34
Each
units
- - 2kV 3 VAL-SEC-T2-3S-350-FM DIN Rail 40kA 97.9mm 49.2mm 74.5mm -40°C +80°C 97.9 x 49.2 x 74.5mm -40 → +80 °C
RS Stock No. 652-8403
Mfr. Part No.2882682
€443.68
Each
units
- - 250V ac - FLT-CP-PLUS-1S-350 DIN Rail 25kA 95.8mm 71.6mm 70mm -40°C +80°C 95.8 x 71.6 x 70mm -40 → +80 °C
RS Stock No. 201-5241
Mfr. Part No.1032207
€495.94
Each
units
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RS Stock No. 712-5276
Mfr. Part No.2800188
€391.44
Each
units
50kA - 250V ac 3 VAL-MS-T1/T2 335/12.5/3+0-FM DIN Rail 12.5kA 99mm 53.4mm 77.5mm -40°C +80°C 99 x 53.4 x 77.5mm -40 → +80 °C
RS Stock No. 201-6810
Mfr. Part No.2905472
€166.09
Each
units
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RS Stock No. 201-6716
Mfr. Part No.2905347
€65.98
Each
units
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RS Stock No. 201-6714
Mfr. Part No.2905338
€257.42
Each
units
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RS Stock No. 890-3799
Mfr. Part No.2800907
€47.36
Each
units
- - - - CB E1 24DC/10A NO P - - 90mm 12.3mm 77.3mm -25°C +50°C 90 x 12.3 x 77.3mm -25 → +50 °C
RS Stock No. 890-3774
Mfr. Part No.2801219
€259.34
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. 890-3714
Mfr. Part No.2905421
€979.43
Each
units
- - 2kV 3 FLT-SEC-P-T1-3S-350/25-FM DIN Rail 100kA 95.2mm 142.4mm 74.5mm -40°C +80°C 95.2 x 142.4 x 74.5mm -40 → +80 °C
RS Stock No. 201-6514
Mfr. Part No.2905346
€54.08
Each
units
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RS Stock No. 201-6717
Mfr. Part No.2905350
€167.65
Each
units
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RS Stock No. 201-6715
Mfr. Part No.2905344
€205.50
Each
units
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RS Stock No. 201-5237
Mfr. Part No.1074739
€264.97
Each
units
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RS Stock No. 201-6558
Mfr. Part No.2906840
€20.00
Each
units
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RS Stock No. 890-3803
Mfr. Part No.2905240
€335.76
Each
units
- - - - CBB 08 2X4RC-PT DIN Rail - 127.8mm 170mm 70.8mm -30°C +60°C 127.8 x 170 x 70.8mm -30 → +60 °C
RS Stock No. 890-3777
Mfr. Part No.2800769
€162.01
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