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. 801-6211
Mfr. Part No.2950048
R 813.83
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. 801-6270
Mfr. Part No.2950077
R 875.61
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. 768-1192
Mfr. Part No.2762265
R 4,001.73
Each
units
10kA - 600 V RS-485 Interface - MT-RS485 DIN Rail 500A 77.5mm 47.6mm 54.9mm -40°C +60°C 77.5 x 47.6 x 54.9 mm -40 → +60 °C
RS stock no. 776-3893
Mfr. Part No.A9L16292
R 4,264.70
Each
units
20kA 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. 801-6356
Mfr. Part No.2949813
R 2,385.60
Each
units
- - 230 V ac - EMG 22-GR/230/2 DIN Rail - 75mm 22.5mm 102mm -20°C +55°C 75 x 22.5 x 102 mm -20 → +55 °C
RS stock no. 776-3896
Mfr. Part No.A9L16297
R 8,437.93
Each
units
5kA 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. 847-3673
Mfr. Part No.FAZ-XAA-C-110-415VAC
BrandEaton
R 669.00
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. 122-9477
Mfr. Part No.3RT2916-1JK00
BrandSiemens
R 134.00
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. 890-8527
Mfr. Part No.STFE030-24L
BrandSola
R 4,192.76
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. 801-6340
Mfr. Part No.2950064
R 288.73
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. 875-1080
Mfr. Part No.3RT2936-1BB00
BrandSiemens
R 125.00
Each
units
- Sirius Innovation 24 → 48 V ac, 24 → 70 V dc - - Clip On - 29.5mm 30mm 14.4mm -25°C +60°C 29.5 x 30 x 14.4 mm -25 → +60 °C
RS stock no. 818-5746
Mfr. Part No.LA4FVP
R 706.95
Each
units
- - 127 → 240 V ac/dc - - Clip On - - - - - - - -
RS stock no. 701-8746
Mfr. Part No.2CTB803953R5400
BrandABB
R 5,603.39
Each
units
40kA - 600 V - - DIN Rail 20kA 42.5mm 85mm 63mm -40°C +80°C 42.5 x 85 x 63 mm -40 → +80 °C
RS stock no. 890-3718
Mfr. Part No.2905988
R 13,564.53
Each
units
- - ≤2.5 kV 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 74.5 mm -40 → +80 °C
RS stock no. 482-1227
Mfr. Part No.1SNA190007R2600
BrandABB
R 318.76
Each
units
- - - - - - - - - - - - - -
RS stock no. 776-3846
Mfr. Part No.A9L16313
R 2,047.00
Each
units
20kA Acti 9 264 V - iPRD Plug In - 50mm 12mm 57mm -25°C +60°C 50 x 12 x 57 mm -25 → +60 °C
RS stock no. 712-5272
Mfr. Part No.2800186
R 5,254.92
Each
units
50kA - 250 V ac 1 VAL-MS-T1/T2 335/12.5/1+1-FM DIN Rail 12.5kA 99mm 35.6mm 77.5mm -40°C +80°C 99 x 35.6 x 77.5 mm -40 → +80 °C
RS stock no. 735-2793
Mfr. Part No.3TX4490-3J
BrandSiemens
R 126.00
Each
units
- - 240 V ac, 250 V dc - - - - - - - - - - -
RS stock no. 735-2799
Mfr. Part No.3TX4490-3G
BrandSiemens
R 103.00
Each
units
- - 48 V ac, 70 V dc - - - - - - - - - - -
RS stock no. 890-3742
Mfr. Part No.2905340
R 5,800.14
Each
units
- - 2 kV 3 VAL-SEC-T2-3S-350-FM DIN Rail 40kA 97.9mm 49.2mm 74.5mm -40°C +80°C 97.9 x 49.2 x 74.5 mm -40 → +80 °C