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. 890-3749
Mfr. Part No.2905339
R 6,130.00
Each
units
- - 2 kV 3 VAL-SEC-T2-3C-350-FM DIN Rail 40kA 97.9mm 37.3mm 74.5mm -40°C +80°C 97.9 x 37.3 x 74.5 mm -40 → +80 °C
New
RS stock no. 201-6557
Mfr. Part No.2906811
R 2,181.80
Each
units
5kA Isolated Signal Circuits 50 V 2 TTC DIN Rail 0.5kA - - - - - - -
RS stock no. 890-3708
Mfr. Part No.2905414
R 6,130.68
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. 190-2014
Mfr. Part No.LV150DI-Q4
R 479.97
Each
units
- - 1200 V 1 LV Surface Mount 500A 43mm 36.5mm 24.5mm - - 43 x 36.5 x 24.5 mm -
RS stock no. 890-3746
Mfr. Part No.2906101
R 1,490.83
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
New
RS stock no. 201-6556
Mfr. Part No.2906744
R 2,460.98
Each
units
10kA Surge Protection Device 145 V - TTC DIN Rail 0.5kA - - - - - - -
RS stock no. 890-3705
Mfr. Part No.2905871
R 34,599.08
Each
units
- - ≤1.5 kV 3 FLT-SEC-H-T1-3C-264/25-FM DIN Rail 25kA 167mm 106.8mm 74.5mm -40°C +80°C 167 x 106.8 x 74.5 mm -40 → +80 °C
RS stock no. 136-3856
Mfr. Part No.1SNA295396R2500
BrandABB
R 52.64
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. 917-6535
Mfr. Part No.LT6CT4001
R 2,041.26
Each
units
- - - - - Panel - 107mm 95mm 25mm - +50°C 107 x 95 x 25 mm Maximum of +50 °C
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. 201-5265
Mfr. Part No.1061383
R 2,478.48
Each
units
10kA Isolated Signal Circuits 68 V 3 TTC DIN Rail 0.5kA - - - - - - -
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. 122-9475
Mfr. Part No.3RT2916-1BE00
BrandSiemens
R 101.00
Each
units
- Sirius Innovation 400 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. 890-3799
Mfr. Part No.2800907
R 890.23
Each
units
- - - - CB E1 24DC/10A NO P Plug In - 90mm 12.3mm 77.3mm -25°C +50°C 90 x 12.3 x 77.3 mm -25 → +50 °C
RS stock no. 122-9480
Mfr. Part No.3RT2926-1ES00
BrandSiemens
R 164.00
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. 136-3869
Mfr. Part No.1SNA295402R2400
BrandABB
R 168.71
Each
units
- - 750 V - - DIN Rail - 22mm 46mm 50mm -55°C +110°C 22 x 46 x 50 mm -55 → +110 °C
New
RS stock no. 201-0763
Mfr. Part No.DDB-T2S4031KIT
BrandContactum
R 3,051.98
Each
units
40kA Surge Arrestor kit 415 V 3 T2S40 DIN 63A - - - - - - -
RS stock no. 122-9481
Mfr. Part No.3RT2926-2PA01
BrandSiemens
R 978.00
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. 136-3875
Mfr. Part No.1SNA199412R1500
BrandABB
R 29.49
Each
units
- - - - - DIN Rail - 1.2mm 54mm 55mm -55°C +110°C 1.2 x 54 x 55 mm -55 → +110 °C
RS stock no. 179-9699
Mfr. Part No.A9C69232
R 842.11
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