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. 122-9480
Mfr. Part No.3RT2926-1ES00
BrandSiemens
SGD18.56
Each
units
- Sirius Innovation 250 V dc - - Clip On - 11.5mm 18.6mm 30.2mm -25°C +60°C 11.5 x 18.6 x 30.2 mm -25 → +60 °C
RS Stock No. 179-9703
Mfr. Part No.A9C69463
SGD144.45
Each
units
- Acti 9 440 V 3 ICNV DIN Rail Mount - 72mm 84.8mm 72mm -25°C +55°C 72 x 84.8 x 72 mm -25 → +55 °C
RS Stock No. 190-2017
Mfr. Part No.LV480DI-Q4
SGD70.93
Each
units
- - 2000 V 1 LV Surface Mount 500A 43mm 36.5mm 24.5mm - - 43 x 36.5 x 24.5 mm -
RS Stock No. 136-3856
Mfr. Part No.1SNA295396R2500
BrandABB
SGD4.83
Each
units
- - 750 V - - DIN Rail - 12mm 34.5mm 50mm -55°C +110°C 12 x 34.5 x 50 mm -55 → +110 °C
RS Stock No. 890-8438
Mfr. Part No.STF0300-10Y
BrandSolaHD
SGD2,222.62
Each
units
- - - 3 - Flange - 355.6mm 304.8mm 152.4mm -40°C +45°C 355.6 x 304.8 x 152.4 mm -40 → +45 °C
RS Stock No. 890-8551
Mfr. Part No.STFV050-10N
BrandSola
SGD283.47
Each
units
25kA - - 1 - Panel - 101.6mm 73.2mm 46mm -40°C +60°C 101.6 x 73.2 x 46 mm -40 → +60 °C
RS Stock No. 801-6270
Mfr. Part No.2950077
SGD102.56
Each
units
- - 250 V ac - EMG 22-DIO 7M DIN Rail - 75mm 22.5mm 55mm -20°C +50°C 75 x 22.5 x 55 mm -20 → +50 °C
RS Stock No. 801-6211
Mfr. Part No.2950048
SGD95.30
Each
units
- - 250 V ac - EMG 22-DIO 4E DIN Rail - 75mm 22.5mm 55mm -20°C +50°C 75 x 22.5 x 55 mm -20 → +50 °C
RS Stock No. 890-8523
Mfr. Part No.STFE030-10N
BrandSola
SGD355.99
Each
units
30 (per Phase) kA, 45 (UL) kA - - 1 - DIN Rail - 124mm 65mm 116mm -40°C +50°C 124 x 65 x 116 mm -40 → +50 °C
RS Stock No. 190-2020
Mfr. Part No.SV150DA-Q4
SGD84.97
Each
units
- - 1200 V 1 SV Surface Mount 500A 44mm 42mm 37.5mm - - 44 x 42 x 37.5 mm -
RS Stock No. 890-8435
Mfr. Part No.STF0150-10Y
BrandSolaHD
SGD1,466.21
Each
units
- - - 3 - Flange - 355.6mm 304.8mm 152.4mm -40°C +45°C 355.6 x 304.8 x 152.4 mm -40 → +45 °C
RS Stock No. 136-3845
Mfr. Part No.1SNA167489R2200
BrandABB
SGD3.30
Each
units
- - - - - DIN Rail - 7.1mm 12mm 30mm -55°C +110°C 7.1 x 12 x 30 mm -55 → +110 °C
RS Stock No. 179-9702
Mfr. Part No.A9C69263
SGD90.80
Each
units
- Acti 9 440 V 1 ICNV DIN Rail Mount - 36mm 84.8mm 72mm -25°C +55°C 36 x 84.8 x 72 mm -25 → +55 °C
RS Stock No. 890-3777
Mfr. Part No.2800769
SGD319.18
Each
units
- - ≤700 V - 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 77.5 mm -40 → +70 °C
RS Stock No. 890-8460
Mfr. Part No.STF0150-48D
BrandSolaHD
SGD1,650.59
Each
units
- - - 3 - Flange - 254mm 203.2mm 152.4mm -40°C +45°C 254 x 203.2 x 152.4 mm -40 → +45 °C
RS Stock No. 122-9477
Mfr. Part No.3RT2916-1JK00
BrandSiemens
SGD15.23
Each
units
- Sirius Innovation 70 V dc, 127 V ac - - Clip On - 8.6mm 46.4mm 28mm -25°C +60°C 8.6 x 46.4 x 28 mm -25 → +60 °C
RS Stock No. 890-3746
Mfr. Part No.2906101
SGD135.53
Each
units
- - ≤1.5 kV - BLT-T2-1S-320-UT Screw 20kA 56mm 36.5mm 34mm -40°C +80°C 56 x 36.5 x 34 mm -40 → +80 °C
RS Stock No. 122-9481
Mfr. Part No.3RT2926-2PA01
BrandSiemens
SGD110.79
Each
units
- Sirius Innovation 690 V - - Clip On - 45mm 82.6mm 45mm -25°C +60°C 45 x 82.6 x 45 mm -25 → +60 °C
RS Stock No. 890-8448
Mfr. Part No.STF2000-24D
BrandSolaHD
SGD9,685.97
Each
units
- - - 3 - Flange - 609.6mm 508mm 228.6mm -40°C +45°C 609.6 x 508 x 228.6 mm -40 → +45 °C
New
RS Stock No. 201-0764
Mfr. Part No.DDB-T2S4040KIT
BrandContactum
SGD259.26
Each
units
40kA Surge Arrestor kit 415 V 3 T2S40 DIN 63A - - - - - - -
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