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$1,465.53
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$2,627.65
Each
units
5 - - 1 - - - 120mm 120mm 60mm -40°C +45°C 120 x 120 x 60 mm -40 → +45 °C
RS Stock No. 712-5276
Mfr. Part No.2800188
HK$4,073.13
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. 735-2799
Mfr. Part No.3TX4490-3G
BrandSiemens
HK$78.94
Each
units
- - 48 V ac, 70 V dc - - - - - - - - - - -
RS Stock No. 768-1192
Mfr. Part No.2762265
HK$2,644.11
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. 890-8564
Mfr. Part No.STFV150-10N
BrandSola
HK$3,688.94
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. 815-3278
Mfr. Part No.SDSA3650
HK$2,965.56
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. 890-3749
Mfr. Part No.2905339
HK$3,081.67
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. 890-8788
Mfr. Part No.IC405
BrandSolaHD
HK$3,431.31
Each
units
5 - - 1 - - - 146mm 120mm 79mm -40°C +45°C 146 x 120 x 79 mm -40 → +45 °C
RS Stock No. 817-5323
Mfr. Part No.LAD4DDL
HK$196.85
Each
units
- - 24 → 250 V dc - - Plug In - - - - -25°C +55°C - -25 → +55 °C
RS Stock No. 875-1080
Mfr. Part No.3RT2936-1BB00
BrandSiemens
HK$82.94
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
New
RS Stock No. 192-0902
Mfr. Part No.370101
BrandABB
HK$3,006.32
Each
units
15kA - 400 V 1 - DIN Rail Mount 40kA 35.6mm 74.6mm 91mm - - 35.6 x 74.6 x 91 mm -
RS Stock No. 890-3803
Mfr. Part No.2905240
HK$3,396.79
Each
units
- - - - CBB 08 2X4RC-PT DIN Rail - 127.8mm 170mm 70.8mm -30°C +60°C 127.8 x 170 x 70.8 mm -30 → +60 °C
RS Stock No. 890-3705
Mfr. Part No.2905871
HK$11,842.80
Each
units
- - ≤1.5 kV 3 FLT-SEC-H-T1-3C-264/25-FM DIN Rail 25kA 167mm 106.8mm 74.5mm -40°C +80°C 167 x 106.8 x 74.5 mm -40 → +80 °C
New
RS Stock No. 192-0903
Mfr. Part No.381225
BrandABB
HK$2,258.26
Each
units
6kA - 400 V 1 - DIN Rail Mount 10kA 35.6mm 74.6mm 91mm - - 35.6 x 74.6 x 91 mm -
RS Stock No. 890-3764
Mfr. Part No.2905230
HK$3,106.19
Each
units
- - ≤1.5 kV 3 PLT-SEC-T3-3S-230-FM DIN Rail 3kA 90mm 35.4mm 74.5mm -40°C +70°C 90 x 35.4 x 74.5 mm -40 → +70 °C
RS Stock No. 776-3878
Mfr. Part No.A9L16296
HK$4,900.10
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
New
RS Stock No. 190-2024
Mfr. Part No.SV480DA-U4
HK$830.70
Each
units
- - 2000 V 3 SV Surface Mount 500A 44mm 42mm 37.5mm - - 44 x 42 x 37.5 mm -
RS Stock No. 136-3875
Mfr. Part No.1SNA199412R1500
BrandABB
HK$16.47
Each
units
- - - - - DIN Rail - 1.2mm 54mm 55mm -55°C +110°C 1.2 x 54 x 55 mm -55 → +110 °C
RS Stock No. 890-8444
Mfr. Part No.STF0150-24D
BrandSolaHD
HK$8,646.12
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
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