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. 875-1084
Mfr. Part No.3RT2936-1CD00
BrandSiemens
R 174.00
Each
units
- Sirius Innovation 127 → 240 V ac, 150 → 250 V dc - - Clip On - 29.5mm 30mm 14.4mm -25°C +60°C 29.5 x 30 x 14.4 mm -25 → +60 °C
New
RS stock no. 190-2024
Mfr. Part No.SV480DA-U4
R 653.42
Each
units
- - 2000 V 3 SV Surface Mount 500A 44mm 42mm 37.5mm - - 44 x 42 x 37.5 mm -
RS stock no. 890-8564
Mfr. Part No.STFV150-10N
BrandSola
R 6,641.10
Each
units
25kA - - 1 - Panel - 158.8mm 120.7mm 59.7mm -40°C +60°C 158.8 x 120.7 x 59.7 mm -40 → +60 °C
RS stock no. 890-8435
Mfr. Part No.STF0150-10Y
BrandSolaHD
R 20,188.85
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. 890-8549
Mfr. Part No.STFE200-24L
BrandSola
R 12,052.95
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. 136-3855
Mfr. Part No.1SNA295395R2400
BrandABB
R 45.10
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. 136-3868
Mfr. Part No.1SNA295401R2300
BrandABB
R 65.56
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. 890-3733
Mfr. Part No.2905348
R 3,385.31
Each
units
- - 1.2 kV 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 74.5 mm -40 → +80 °C
RS stock no. 122-9479
Mfr. Part No.3RT2926-1CE00
BrandSiemens
R 157.00
Each
units
- Sirius Innovation 400 V ac - - 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. 776-3868
Mfr. Part No.A9L16300
R 2,669.00
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. 890-3768
Mfr. Part No.2905225
R 2,377.27
Each
units
- - ≤0.9 kV 1 PLT-SEC-T3-60-FM DIN Rail 3kA 90mm 17.7mm 74.5mm -40°C +80°C 90 x 17.7 x 74.5 mm -40 → +80 °C
RS stock no. 122-9487
Mfr. Part No.3RT2936-1ES00
BrandSiemens
R 273.00
Each
units
- Sirius Innovation 250 V dc - - Clip On - 14.4mm 27.8mm 24.2mm -25°C +60°C 14.4 x 27.8 x 24.2 mm -25 → +60 °C
RS stock no. 890-3783
Mfr. Part No.2801290
R 2,939.33
Each
units
- - ≤700 V - PT-IQ-1X2-TELE-PT DIN Rail 2.5kA 109.3mm 17.7mm 77.5mm -40°C +70°C 109.3 x 17.7 x 77.5 mm -40 → +70 °C
RS stock no. 890-8539
Mfr. Part No.STFE050-24L
BrandSola
R 5,722.51
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
New
RS stock no. 190-2015
Mfr. Part No.LV275DI-Q4
R 301.58
Each
units
- - 1500 V 1 LV Surface Mount 500A 43mm 36.5mm 24.5mm - - 43 x 36.5 x 24.5 mm -
RS stock no. 136-3867
Mfr. Part No.1SNA295399R0000
BrandABB
R 55.46
Each
units
- - 750 V - - DIN Rail - 16mm 34.5mm 50mm -55°C +110°C 16 x 34.5 x 50 mm -55 → +110 °C
RS stock no. 122-9478
Mfr. Part No.3RT2926-1CB00
BrandSiemens
R 157.00
Each
units
- Sirius Innovation 48 V ac, 70 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. 776-3878
Mfr. Part No.A9L16296
R 10,777.55
Each
units
5kA Acti 9 350 V - iPRD DIN Rail - 94mm 113.6mm 75.9mm -25°C +60°C 94 x 113.6 x 75.9 mm -25 → +60 °C
RS stock no. 890-8788
Mfr. Part No.IC405
BrandSolaHD
R 6,074.82
Each
units
5 - - 1 - - - 146mm 120mm 79mm -40°C +45°C 146 x 120 x 79 mm -40 → +45 °C
RS stock no. 712-5285
Mfr. Part No.2800183
R 10,522.82
Each
units
50kA - 250 V 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 77.5 mm -40 → +80 °C