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
SGD371.41
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. 890-3733
Mfr. Part No.2905348
SGD371.41
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. 801-6343
Mfr. Part No.2952790
SGD103.70
Each
units
- - 250V ac - EMG 22-DIO 4E-1N5408 DIN Rail - 75mm 22.5mm 55mm -20°C +50°C 75 x 22.5 x 55mm -20 → +50 °C
RS Stock No. 890-3711
Mfr. Part No.2905419
SGD1,451.12
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. 890-3702
Mfr. Part No.2905415
SGD870.24
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. 890-3718
Mfr. Part No.2905988
SGD2,125.87
Each
units
- - ≤2.5kV 3 FLT-SEC-P-T1-3C-440/35-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. 890-3727
Mfr. Part No.2905466
SGD1,051.19
Each
units
- - 1.8kV 1 FLT-SEC-T1+T2-1S-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. 890-3730
Mfr. Part No.2905337
SGD354.31
Each
units
- - 2kV 2 VAL-SEC-T2-2C-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. 768-1192
Mfr. Part No.2762265
SGD466.20
Each
units
10kA - - - MT-RS485 DIN Rail 500A 77.5mm 47.6mm 54.9mm -40°C +60°C 77.5 x 47.6 x 54.9mm -40 → +60 °C
RS Stock No. 201-6289
Mfr. Part No.2907840
SGD225.33
Each
units
- - - - - - - - - - - - - -
RS Stock No. 201-5439
Mfr. Part No.2909968
SGD562.55
Each
units
- - - - - - - - - - - - - -
RS Stock No. 890-3720
Mfr. Part No.2905469
SGD1,693.86
Each
units
- - 2kV 3 FLT-SEC-T1+T2-3C-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. 201-4035
Mfr. Part No.2909596
SGD128.13
Each
units
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RS Stock No. 201-5545
Mfr. Part No.2909592
SGD288.62
Each
units
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RS Stock No. 201-5265
Mfr. Part No.1061383
SGD256.84
Each
units
- - - - - - - - - - - - - -
RS Stock No. 890-3746
Mfr. Part No.2906101
SGD129.99
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. 201-6268
Mfr. Part No.1065317
SGD236.80
Each
units
- - - - - - - - - - - - - -
RS Stock No. 801-6340
Mfr. Part No.2950064
SGD79.48
Each
units
- - 250V ac - EMG 22-DIO 7P DIN Rail - 75mm 22.5mm 55mm -20°C +50°C 75 x 22.5 x 55mm -20 → +50 °C
RS Stock No. 890-3799
Mfr. Part No.2800907
SGD87.02
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. 201-6812
Mfr. Part No.2906784
SGD244.20
Each
units
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