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. 201-6716
Mfr. Part No.2905347
TWD3,059.00
Each
units
- - - - - - - - - - - - - -
New
RS Stock No. 211-0185
Mfr. Part No.5SD7432-7
BrandSiemens
TWD5,422.00
Each
units
- SENTRON 1.4kV - 5SD - 5kA - - - - - - -
New
RS Stock No. 207-2725
Mfr. Part No.2906741
TWD5,451.00
Each
units
- Surge Protection Device - - TTC - 0.5kA - - - - - - -
RS Stock No. 847-3677
Mfr. Part No.102036 & FAZ-XAA-NA110-415VAC
BrandEaton
TWD2,512.00
Each
units
- - 110 → 230 V dc, 110 → 415V ac - - DIN Rail - 17.5mm 105mm 45mm - - 17.5 x 105 x 45mm -
New
RS Stock No. 207-2737
Mfr. Part No.2906822
TWD3,487.00
Each
units
- Surge Protection Device - - TTC - 0.5kA - - - - - - -
RS Stock No. 201-6717
Mfr. Part No.2905350
TWD7,733.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 712-5282
Mfr. Part No.2800190
TWD4,464.00
Each
units
50kA - 240V ac - VAL-MS-T1/T2 335/12.5 ST DIN Rail 12.5kA 47mm 17.7mm 67.3mm -40°C +80°C 47 x 17.7 x 67.3mm -40 → +80 °C
RS Stock No. 801-6340
Mfr. Part No.2950064
TWD2,263.00
Each
units
- - 250V ac - EMG 22-DIO 7P DIN Rail - 75mm 22.5mm 55mm -20°C +50°C 75 x 22.5 x 55mm -20 → +50 °C
RS Stock No. 201-5784
Mfr. Part No.1076468
TWD11,561.00
Each
units
- - - - - - - - - - - - - -
New
RS Stock No. 211-0192
Mfr. Part No.5SD7463-1
BrandSiemens
TWD9,927.00
Each
units
25kA - - 1 5SD - 40kA - - - - - - -
RS Stock No. 875-1080
Mfr. Part No.3RT2936-1BB00
BrandSiemens
TWD473.00
Each
units
- Sirius Innovation 24 → 48 V ac, 24 → 70V dc - - - - 29.5mm 30mm 14.4mm -25°C +60°C 29.5 x 30 x 14.4mm -25 → +60 °C
RS Stock No. 136-3872
Mfr. Part No.1SNA295403R2500
BrandABB
TWD287.00
Each
units
- - - - - DIN Rail - 30mm 53.5mm 50mm -55°C +110°C 30 x 53.5 x 50mm -55 → +110 °C
RS Stock No. 890-3711
Mfr. Part No.2905419
TWD31,670.00
Each
units
- - 2kV 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 74.5mm -40 → +80 °C
RS Stock No. 203-2629
Mfr. Part No.3RT2926-1MR00
BrandSiemens
TWD814.00
Each
units
- - - - - - - - - - - - - -
New
RS Stock No. 211-0186
Mfr. Part No.5SD7442-1
BrandSiemens
TWD22,684.00
Each
units
25kA - - - 5SD - 100kA - - - - - - -
RS Stock No. 136-3875
Mfr. Part No.1SNA199412R1500
BrandABB
TWD62.00
Each
units
- - - - - DIN Rail - 1.2mm 54mm 55mm -55°C +110°C 1.2 x 54 x 55mm -55 → +110 °C
New
RS Stock No. 207-2751
Mfr. Part No.2906838
TWD901.00
Each
units
- Surge Protection Device - - TTC - - - - - - - - -
New
RS Stock No. 207-2778
Mfr. Part No.2907877
TWD1,920.00
Each
units
- Type 2 Surge Protection Plug - - VAL-SEC-T2 - - - - - - - - -
RS Stock No. 136-3856
Mfr. Part No.1SNA295396R2500
BrandABB
TWD109.00
Each
units
- - - - - DIN Rail - 12mm 34.5mm 50mm -55°C +110°C 12 x 34.5 x 50mm -55 → +110 °C
New
RS Stock No. 207-2723
Mfr. Part No.2906721
TWD4,054.00
Each
units
- Surge Protection Device - - TTC - 0.5kA - - - - - - -