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. 890-3752
Mfr. Part No.2905229
MYR565.32
Each
units
- - ≤1.5 kV 1 PLT-SEC-T3-230-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. 890-3792
Mfr. Part No.2800906
MYR219.10
Each
units
- - - - CB E1 24DC/8A 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. 712-5276
Mfr. Part No.2800188
MYR1,946.84
Each
units
50kA - 250 V ac 3 VAL-MS-T1/T2 335/12.5/3+0-FM DIN Rail 12.5kA 99mm 53.4mm 77.5mm -40°C +80°C 99 x 53.4 x 77.5 mm -40 → +80 °C
RS Stock No. 890-3730
Mfr. Part No.2905337
MYR1,156.57
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. 890-8527
Mfr. Part No.STFE030-24L
BrandSola
MYR1,220.17
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. 712-5272
Mfr. Part No.2800186
MYR1,302.66
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. 776-3890
Mfr. Part No.A9L16294
MYR4,105.50
Each
units
20kA 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. 776-3896
Mfr. Part No.A9L16297
MYR3,174.15
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. 875-1080
Mfr. Part No.3RT2936-1BB00
BrandSiemens
MYR43.14
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. 122-9485
Mfr. Part No.3RT2936-1CC00
BrandSiemens
MYR69.79
Each
units
- Sirius Innovation 127 V ac, 150 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. 776-3893
Mfr. Part No.A9L16292
MYR2,088.45
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. 652-8403
Mfr. Part No.2882682
MYR2,162.83
Each
units
- - 250 V ac - FLT-CP-PLUS-1S-350 DIN Rail 25kA 95.8mm 71.6mm 70mm -40°C +80°C 95.8 x 71.6 x 70 mm -40 → +80 °C
RS Stock No. 701-8746
Mfr. Part No.2CTB803953R5400
BrandABB
MYR1,616.85
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. 712-5282
Mfr. Part No.2800190
MYR538.33
Each
units
50kA - 240 V 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 67.3 mm -40 → +80 °C
RS Stock No. 890-3783
Mfr. Part No.2801290
MYR846.63
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
New
RS Stock No. 190-2014
Mfr. Part No.LV150DI-Q4
MYR130.66
Each
units
- - 1200 V 1 LV Surface Mount 500A 43mm 36.5mm 24.5mm - - 43 x 36.5 x 24.5 mm -
New
RS Stock No. 190-2025
Mfr. Part No.SV550DA-U4
MYR468.58
Each
units
- - 2500 V 3 SV Surface Mount 500A 44mm 42mm 37.5mm - - 44 x 42 x 37.5 mm -
RS Stock No. 890-8438
Mfr. Part No.STF0300-10Y
BrandSolaHD
MYR6,816.80
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. 890-8485
Mfr. Part No.STF2000-48D
BrandSolaHD
MYR38,343.23
Each
units
- - - 3 - Flange - 609.6mm 508mm 228.6mm -40°C +45°C 609.6 x 508 x 228.6 mm -40 → +45 °C
RS Stock No. 890-3777
Mfr. Part No.2800769
MYR805.73
Each
units
- - ≤700 V - PT-IQ-1X2-TELE-UT DIN Rail 2.5kA 91.1mm 17.7mm 77.5mm -40°C +70°C 91.1 x 17.7 x 77.5 mm -40 → +70 °C
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