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
MYR235.76
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. 768-1192
Mfr. Part No.2762265
MYR1,202.46
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. 818-5746
Mfr. Part No.LA4FVP
MYR190.92
Each
units
- - 127 → 240 V ac/dc - - Clip On - - - - - - - -
RS Stock No. 847-3677
Mfr. Part No.FAZ-XAA-NA110-415VAC
BrandEaton
MYR232.55
Each
units
- - 110 → 230 V dc, 110 → 415 V ac - - DIN Rail - 17.5mm 105mm 45mm - - 17.5 x 105 x 45 mm -
RS Stock No. 847-3673
Mfr. Part No.FAZ-XAA-C-110-415VAC
BrandEaton
MYR177.12
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. 847-3686
Mfr. Part No.FAZ-XAA-NA12-110VAC
BrandEaton
MYR264.27
Each
units
- - 110 → 230 V dc, 12 → 110 V ac - - DIN Rail - 17.5mm 105mm 45mm - - 17.5 x 105 x 45 mm -
RS Stock No. 776-3834
Mfr. Part No.A9L16618
MYR1,909.16
Each
units
20kA Acti 9 275 V - iPRD DIN Rail - 106.8mm 74.1mm 74.1mm -5°C +60°C 106.8 x 88.4 x 74.1 mm -5 → +60 °C
RS Stock No. 122-9487
Mfr. Part No.3RT2936-1ES00
BrandSiemens
MYR92.54
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. 776-3878
Mfr. Part No.A9L16296
MYR3,233.99
Each
units
5kA Acti 9 350 V - iPRD DIN Rail - 94mm 113.6mm 75.9mm -25°C +60°C 94 x 113.6 x 75.9 mm -25 → +60 °C
RS Stock No. 776-3865
Mfr. Part No.A9L16311
MYR315.55
Each
units
15kA Acti 9 350 V - iPRD Plug In - 50mm 12mm 57mm -25°C +60°C 50 x 12 x 57 mm -25 → +60 °C
RS Stock No. 890-3702
Mfr. Part No.2905415
MYR2,290.40
Each
units
- - 2 kV 1 FLT-SEC-P-T1-1S-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. 776-3830
Mfr. Part No.A9L16617
MYR1,226.81
Each
units
10kA Acti 9 275 V - iPRD DIN Rail - 109.7mm 36mm 72.1mm -5°C +60°C 109.7 x 36 x 72.1 mm -5 → +60 °C
RS Stock No. 890-3746
Mfr. Part No.2906101
MYR291.64
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. 817-5323
Mfr. Part No.LAD4DDL
MYR103.63
Each
units
- - 24 → 250 V dc - - Plug In - - - - -25°C +55°C - -25 → +55 °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. 801-6270
Mfr. Part No.2950077
MYR321.11
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. 875-1080
Mfr. Part No.3RT2936-1BB00
BrandSiemens
MYR42.40
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. 122-9480
Mfr. Part No.3RT2926-1ES00
BrandSiemens
MYR55.45
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. 890-8558
Mfr. Part No.STFV025-10N
BrandSola
MYR615.56
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. 122-9485
Mfr. Part No.3RT2936-1CC00
BrandSiemens
MYR68.80
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
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