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
HK$983.35
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. 891-3535
Mfr. Part No.IC205
BrandSolaHD
HK$2,610.07
Each
units
5 - - 1 - - - 120mm 120mm 60mm -40°C +45°C 120 x 120 x 60 mm -40 → +45 °C
RS Stock No. 735-2799
Mfr. Part No.3TX4490-3G
BrandSiemens
HK$61.26
Each
units
- - 48 V ac, 70 V dc - - - - - - - - - - -
RS Stock No. 712-5276
Mfr. Part No.2800188
HK$4,057.33
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. 768-1192
Mfr. Part No.2762265
HK$2,340.47
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. 890-3749
Mfr. Part No.2905339
HK$2,210.21
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
RS Stock No. 875-1080
Mfr. Part No.3RT2936-1BB00
BrandSiemens
HK$79.90
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. 815-3278
Mfr. Part No.SDSA3650
HK$2,368.25
Each
units
40kA - 2500 V, 4000 V 3 - Panel 10kA 92mm 76mm 67mm -40°C +65°C 92 x 76 x 67 mm -40 → +65 °C
RS Stock No. 890-8564
Mfr. Part No.STFV150-10N
BrandSola
HK$3,664.31
Each
units
25kA - - 1 - Panel - 158.8mm 120.7mm 59.7mm -40°C +60°C 158.8 x 120.7 x 59.7 mm -40 → +60 °C
RS Stock No. 817-5323
Mfr. Part No.LAD4DDL
HK$192.99
Each
units
- - 24 → 250 V dc - - Plug In - - - - -25°C +55°C - -25 → +55 °C
RS Stock No. 890-8788
Mfr. Part No.IC405
BrandSolaHD
HK$3,408.42
Each
units
5 - - 1 - - - 146mm 120mm 79mm -40°C +45°C 146 x 120 x 79 mm -40 → +45 °C
RS Stock No. 890-8460
Mfr. Part No.STF0150-48D
BrandSolaHD
HK$9,668.27
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. 890-8463
Mfr. Part No.STF1000-27Y
BrandSolaHD
HK$43,321.47
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. 398-6648
Mfr. Part No.1SNA031809R2600
BrandABB
HK$205.00
Each
units
- - - - 7200 - - - 5.08mm - -20°C +60°C - -20 → +60 °C
RS Stock No. 776-3846
Mfr. Part No.A9L16313
HK$1,300.00
Each
units
20kA Acti 9 264 V - iPRD Plug In - 50mm 12mm 57mm -25°C +60°C 50 x 12 x 57 mm -25 → +60 °C
RS Stock No. 890-3730
Mfr. Part No.2905337
HK$1,346.95
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. 482-1227
Mfr. Part No.1SNA190007R2600
BrandABB
HK$169.94
Each
units
- - - - - - - - - - - - - -
RS Stock No. 847-3673
Mfr. Part No.FAZ-XAA-C-110-415VAC
BrandEaton
HK$311.15
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. 890-3806
Mfr. Part No.2905744
HK$2,868.72
Each
units
- - - - CBM E8 24DC/0.5-10A NO-R DIN Rail - 130mm 41mm 121mm -25°C +70°C 130 x 41 x 121 mm -25 → +70 °C
RS Stock No. 136-3855
Mfr. Part No.1SNA295395R2400
BrandABB
HK$25.71
Each
units
- - 750 V - - DIN Rail - 12mm 34.5mm 50mm -55°C +110°C 12 x 34.5 x 50 mm -55 → +110 °C
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