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. 890-3720
Mfr. Part No.2905469
TWD36,967.00
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. 847-3686
Mfr. Part No.102037 & FAZ-XAA-NA12-110VAC
BrandEaton
TWD869.00
Each
units
- - 12 → 110V ac, 110 → 230 V dc - - DIN Rail - 17.5mm 105mm 45mm - - 17.5 x 105 x 45mm -
RS Stock No. 203-2644
Mfr. Part No.3RT2936-1BD00
BrandSiemens
TWD521.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 890-3774
Mfr. Part No.2801219
TWD10,921.00
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. 201-6714
Mfr. Part No.2905338
TWD12,650.00
Each
units
- - - - - - - - - - - - - -
New
RS Stock No. 207-2781
Mfr. Part No.2907880
TWD1,920.00
Each
units
- Type 2 Surge Protection Plug - - VAL-SEC-T2 - - - - - - - - -
RS Stock No. 398-6648
Mfr. Part No.1SNA031809R2600
BrandABB
TWD961.00
Each
units
- - - - 7200 - - - 5.08mm - -20°C +60°C - -20 → +60 °C
New
RS Stock No. 207-2736
Mfr. Part No.2906810
TWD5,271.00
Each
units
- Surge Protection Device - - TTC - 0.5kA - - - - - - -
New
RS Stock No. 207-2713
Mfr. Part No.2905468
TWD35,959.00
Each
units
- Type 1+2 Protective Device Combination - 2 FLT-SEC - 25kA - - - - - - -
New
RS Stock No. 207-2707
Mfr. Part No.2905355
TWD2,436.00
Each
units
- Type 2 Surge Protection Plug - - VAL-SEC-T2 - - - - - - - - -
RS Stock No. 890-3777
Mfr. Part No.2800769
TWD6,681.00
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. 122-9481
Mfr. Part No.3RT2926-2PA01
BrandSiemens
TWD3,691.00
Each
units
- Sirius Innovation - - - - - 45mm 82.6mm 45mm -25°C +60°C 45 x 82.6 x 45mm -25 → +60 °C
RS Stock No. 890-3730
Mfr. Part No.2905337
TWD7,733.00
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. 190-2022
Mfr. Part No.SV275DA-U4
TWD2,104.00
Each
units
- - - 3 SV Surface Mount 500A 44mm 42mm 37.5mm - - 44 x 42 x 37.5mm -
New
RS Stock No. 207-2791
Mfr. Part No.2908201
TWD3,998.00
Each
units
- Surge Protection Device - - TTC - 0.5kA - - - - - - -
New
RS Stock No. 211-0180
Mfr. Part No.5SD7413-1
BrandSiemens
TWD32,371.00
Each
units
75kA - - - 5SD - 50kA - - - - - - -
RS Stock No. 776-3865
Mfr. Part No.A9L16311
TWD2,857.00
Each
units
15kA Acti 9 - - iPRD - - 50mm 12mm 57mm -25°C +60°C 50 x 12 x 57mm -25 → +60 °C
New
RS Stock No. 213-1323
Mfr. Part No.5SD7428-1
BrandSiemens
TWD2,599.00
Each
units
- SENTRON - - 5SD - - - - - - - - -
New
RS Stock No. 207-2797
Mfr. Part No.2908264
TWD55,546.00
Each
units
- Combination Type 1/2 Protective Device - 3 FLT - 35kA - - - - - - -
RS Stock No. 179-9702
Mfr. Part No.A9C69263
TWD2,134.00
Each
units
- Acti 9 - 1 ICNV DIN Rail Mount - 36mm 84.8mm 72mm -25°C +55°C 36 x 84.8 x 72mm -25 → +55 °C