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. 847-3673
Mfr. Part No.FAZ-XAA-C-110-415VAC
BrandEaton
SGD66.07
Each
units
- - 110 → 230 V dc, 110 → 415 V ac - - DIN Rail - 26.2mm 80mm 69.6mm - - 26.2 x 80 x 69.6 mm -
RS Stock No. 890-3708
Mfr. Part No.2905414
SGD594.61
Each
units
- - 1.2 kV 1 FLT-SEC-P-T1-1C-350/25-FM DIN Rail 25kA 95.2mm 35.6mm 74.5mm -40°C +80°C 95.2 x 35.6 x 74.5 mm -40 → +80 °C
RS Stock No. 652-8403
Mfr. Part No.2882682
SGD846.79
Each
units
- - 250 V ac - FLT-CP-PLUS-1S-350 DIN Rail 25kA 95.8mm 71.6mm 70mm -40°C +80°C 95.8 x 71.6 x 70 mm -40 → +80 °C
RS Stock No. 190-2018
Mfr. Part No.LV480DI-U4
SGD73.64
Each
units
- - 2000 V 3 LV Surface Mount 500A 43mm 36.5mm 24.5mm - - 43 x 36.5 x 24.5 mm -
RS Stock No. 776-3884
Mfr. Part No.A9L16295
SGD529.62
Each
units
5kA Acti 9 350 V - iPRD DIN Rail - 94mm 72mm 75.9mm -25°C +60°C 94 x 72 x 75.9 mm -25 → +60 °C
RS Stock No. 890-8542
Mfr. Part No.STFE100-24L
BrandSola
SGD732.91
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. 190-2017
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. 190-2025
Mfr. Part No.SV550DA-U4
SGD115.00
Each
units
- - 2500 V 3 SV Surface Mount 500A 44mm 42mm 37.5mm - - 44 x 42 x 37.5 mm -
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
New
RS Stock No. 201-0763
Mfr. Part No.DDB-T2S4031KIT
BrandContactum
SGD251.00
Each
units
40kA Surge Arrestor kit 415 V 3 T2S40 DIN 63A - - - - - - -
RS Stock No. 776-3868
Mfr. Part No.A9L16300
SGD816.74
Each
units
2kA Acti 9 350 V - iPRD DIN Rail - 94mm 131.5mm 75.9mm -25°C +60°C 94 x 131.5 x 75.9 mm -25 → +60 °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. 190-2022
Mfr. Part No.SV275DA-U4
SGD90.62
Each
units
- - 1500 V 3 SV Surface Mount 500A 44mm 42mm 37.5mm - - 44 x 42 x 37.5 mm -
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. 890-8555
Mfr. Part No.STFV075-10N
BrandSola
SGD389.03
Each
units
25kA - - 1 - Panel - 120.7mm 120.7mm 59.7mm -40°C +60°C 120.7 x 120.7 x 59.7 mm -40 → +60 °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. 890-3746
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. 136-3868
Mfr. Part No.1SNA295401R2300
BrandABB
SGD10.28
Each
units
- - 750 V - - DIN Rail - 22mm 46mm 50mm -55°C +110°C 22 x 46 x 50 mm -55 → +110 °C
RS Stock No. 801-6340
Mfr. Part No.2950064
SGD108.12
Each
units
- - 250 V ac - EMG 22-DIO 7P DIN Rail - 75mm 22.5mm 55mm -20°C +50°C 75 x 22.5 x 55 mm -20 → +50 °C
RS Stock No. 847-3686
Mfr. Part No.102037 | FAZ-XAA-NA12-110VAC
BrandEaton
SGD100.68
Each
units
- - 110 → 230 V dc, 12 → 110 V ac - - DIN Rail - 17.5mm 105mm 45mm - - 17.5 x 105 x 45 mm -
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