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. 890-3720
Mfr. Part No.2905469
TWD23,514.00
Each
units
- - 2 kV 3 FLT-SEC-T1+T2-3C-350/25-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. 847-3686
Mfr. Part No.102037 | FAZ-XAA-NA12-110VAC
BrandEaton
TWD2,157.00
Each
units
- - 12 → 110 V ac, 110 → 230 V dc - - DIN Rail - 17.5mm 105mm 45mm - - 17.5 x 105 x 45 mm -
RS Stock No. 890-3742
Mfr. Part No.2905340
TWD13,586.00
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
RS Stock No. 890-3727
Mfr. Part No.2905466
TWD24,482.00
Each
units
- - 1.8 kV 1 FLT-SEC-T1+T2-1S-350/25-FM DIN Rail 100kA 95.2mm 71.2mm 74.5mm -40°C +80°C 95.2 x 71.2 x 74.5 mm -40 → +80 °C
RS Stock No. 890-3746
Mfr. Part No.2906101
TWD1,847.00
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. 890-3799
Mfr. Part No.2800907
TWD1,779.00
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. 890-3730
Mfr. Part No.2905337
TWD5,354.00
Each
units
- - 2 kV 2 VAL-SEC-T2-2C-350-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. 136-3880
Mfr. Part No.1SNA167224R2700
BrandABB
TWD241.00
Each
units
- - - - - DIN Rail - 13mm 8mm 0.8mm -55°C +110°C 13 x 8 x 0.8 mm -55 → +110 °C
RS Stock No. 122-9488
Mfr. Part No.3RT2936-4EA2
BrandSiemens
TWD127.00
Each
units
- Sirius Innovation - - - - - 54.8mm 40.2mm 22.5mm - - 54.8 x 40.2 x 22.5 mm -
RS Stock No. 890-3774
Mfr. Part No.2801219
TWD9,196.00
Each
units
- - ≤160 V - PT-IQ-4X1-48DC-UT DIN Rail 2.5kA 91mm 17.7mm 77.5mm -40°C +70°C 91 x 17.7 x 77.5 mm -40 → +70 °C
RS Stock No. 179-9701
Mfr. Part No.A9C69250
TWD2,421.00
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. 890-3733
Mfr. Part No.2905348
TWD7,939.00
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. 890-3768
Mfr. Part No.2905225
TWD5,577.00
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. 890-8479
Mfr. Part No.STF0300-48D
BrandSolaHD
TWD64,315.00
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. 890-8558
Mfr. Part No.STFV025-10N
BrandSola
TWD4,457.00
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. 890-8432
Mfr. Part No.STF1000-10Y
BrandSolaHD
TWD126,627.00
Each
units
- - - 3 - Flange - 508mm 406.4mm 228.6mm -40°C +45°C 508 x 406.4 x 228.6 mm -40 → +45 °C
RS Stock No. 136-3867
Mfr. Part No.1SNA295399R0000
BrandABB
TWD132.00
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. 890-3708
Mfr. Part No.2905414
TWD8,796.00
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. 735-2793
Mfr. Part No.3TX4490-3J
BrandSiemens
TWD361.00
Each
units
- - 240 V ac, 250 V dc - - - - - - - - - - -
RS Stock No. 890-3711
Mfr. Part No.2905419
TWD23,349.00
Each
units
- - 2 kV 3 FLT-SEC-P-T1-3C-350/25-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