Surge Suppressor Units

Surge suppressor units are a kind of protective device used to ensure that electrical equipment is not damaged by a sudden voltage spike. This can be caused by a lightning strike or simply an electrical fault. Surge suppressors are often built into devices such as power strips, but they are also available as standalone units.

How do surge suppressor units work?

Surge suppressor units protect devices by blocking or diverting the excess voltage to the ground. They are triggered when the voltage exceeds a pre-determined threshold. They are often used as part of power distribution units, and sometimes come with a warning light to indicate pre-failure.

Types of surge suppressor units

Surge suppressor units can vary in a number of ways, including the mounting method they require, their maximum surge current, and the type of electrical equipment they are to be used with. For example:

  • a coaxial surge suppressor is used with coaxial cable
  • a category 6 surge suppressor is used with category 6 cables

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Description Price Suppressor Type Maximum Voltage Rating Mounting Type Maximum Surge Current Series Length Depth Height Dimensions Lead Pitch Minimum Operating Temperature Maximum Operating Temperature CAD Drawing
RS Stock No. 172-7299
Mfr. Part No.1210-1S-230
BrandBourns
TWD2,700.00
Each (In a Box of 8)
units
1 Pole Protector 415 V ac DIN Rail 100kA 1210 18mm 67mm 90mm 18 x 67 x 90mm - -50°C +85°C -
RS Stock No. 802-6524
Mfr. Part No.2794903
TWD643.00
Each
units
Surge Arrester Protection Module 24 V dc DIN Rail 2kA TT-SLKK5/ 24DC 66.5mm 6.2mm 69.5mm 66.5 x 6.2 x 69.5mm - -40°C +85°C -
RS Stock No. 172-7301
Mfr. Part No.1977-50-A01
BrandBourns
TWD3,353.00
Each (In a Box of 10)
units
Coaxial Surge Protector 600 V dc Through Hole 20kA 1977 68mm 26 (Dia.)mm - 68 x 26 (Dia.)mm - -50°C +85°C -
RS Stock No. 111-642
Mfr. Part No.3402.17.A
TWD6,307.00
Each
units
EMP Protector 230 V Panel Mount 20 kA, 30 kA 3402 69mm - 25.9mm - - -40°C +85°C -
RS Stock No. 175-2603
Mfr. Part No.OVR SL06
BrandABB
TWD6,936.00
Each
units
- 7.79 V DIN Rail 20kA OVR 106.5mm 7mm 104.6 106.5 x 7 x 104.6mm - -40°C +80 -
RS Stock No. 808-7939
Mfr. Part No.DCOR L 1P 275
BrandDehn
TWD1,740.00
Each
units
Type 2 Arrester 275 V ac Flush Mount 10kA DCOR 50mm 49mm 20.6mm 50 x 49 x 20.6mm - -40°C +80°C -
RS Stock No. 881-5904
Mfr. Part No.PLP-42S
TWD3,412.00
Each
units
- - - - - 76.2mm 50.8mm - 76.2 x 38.1 x 50.8mm - - - -
RS Stock No. 881-5986
Mfr. Part No.320DF02EWRC2S
TWD10,629.00
Each
units
Surge Protection Device - - 25 kA, 50 kA - 119.9mm 59.9mm - 119.9 x 119.9 x 59.9mm - -40°C +75°C -
RS Stock No. 813-430
BrandRS PRO
TWD372.00
Each
units
1 Phase 500 V Flange Mount - RC 49mm - 57mm 49 x 57mm - -40°C +70°C -
RS Stock No. 179-3068
Mfr. Part No.83230127
BrandMersen
TWD12,034.00
Each
units
- 275 V ac DIN Rail 20kA STPT23 72mm 70mm 90mm 72 x 70 x 90mm - - - -
RS Stock No. 768-1748
Mfr. Part No.DG M TT 275 FM
BrandDehn
TWD13,168.00
Each
units
Type 2 Arrester 275 V ac DIN Rail 40kA DG 72mm 66mm 90mm 72 x 66 x 90mm - -40°C +80°C -
RS Stock No. 456-8128
Mfr. Part No.ESP 240-5A
BrandWJ Furse
TWD5,277.00
Each
units
Low Current Mains Protector 280 V DIN Rail 10kA ESP 240 120mm 38mm 54mm 120 x 54 x 38mm - -40°C +70°C -
RS Stock No. 135-7159
Mfr. Part No.2906815
TWD4,961.00
Each
units
Surge Protection Device 30 V dc DIN Rail 10 (Discharge)kA TTC-6P-1X2-24DC-PT-I 100mm 6.2mm 105.8mm 100 x 6.2 x 105.8mm - -40°C +85°C -
RS Stock No. 185-3083
Mfr. Part No.2801615
TWD13,862.00
Each
units
- 264 V ac DIN Rail - FLT-SEC-H-T1-1C-264/25-FM 35.5mm 74.5mm 167mm 35.5 x 74.5 x 167mm - -40°C +80°C -
RS Stock No. 132-8147
TWD1,958.00
Each
units
Coaxial Surge Protector 170 V dc Axial 20kA SSC-N230 76.4mm 25.9 (Dia.)mm - 25.9 (Dia.) x 76.4mm - -40°C +85°C -
RS Stock No. 785-8213
Mfr. Part No.1977-50-A00
BrandBourns
TWD3,040.00
Each
units
Coaxial Surge Protector 600 V dc Through Hole 20kA 1977 64mm 26 (Dia.)mm - 64 x 26 (Dia.)mm - -50°C +85°C -
RS Stock No. 802-8132
Mfr. Part No.2839172
TWD4,406.00
Each
units
Protective Plug 100 V dc DIN Rail, Screw Mount, Through Hole 500A PT 2X1VA- 60AC-ST 17.7mm 52mm 45mm 17.7 x 52 x 45mm - -40°C +85°C -
RS Stock No. 852-9962
Mfr. Part No.2800040
TWD7,254.00
Each
units
Surge Arrester Protection Module 25 V ac, 36 V dc Screw Mount 20kA S-PT-2XEX-24DC 28mm 79mm 28mm 28 x 79 x 28mm - -40°C +80°C -
RS Stock No. 135-7146
Mfr. Part No.2906778
TWD3,986.00
Each
units
Surge Protection Device 15 V dc DIN Rail 10 (Discharge)kA TTC-6-3-HF-F-M-12DC-PT-I 83.5mm 6.2mm 105.8mm 83.5 x 6.2 x 105.8mm - -40°C +85°C -
RS Stock No. 712-3147
Mfr. Part No.J01028A0034
TWD5,063.00
Each
units
Type N Arrester 90 V Panel Mount - J01028A 62mm - 30.5mm - - -30°C +100°C -