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. 172-8711
Mfr. Part No.1840-24-A3
BrandBourns
$216.161
Each (In a Box of 10)
units
Signal & Data Line Protector 24 V DIN Rail 20kA - 83.31mm 18.8mm - 83.31 x 18.8mm - -40°C +60°C -
RS Stock No. 788-6690
Mfr. Part No.ESP SL15
BrandWJ Furse
$145.53
Each
units
Twisted Pair Surge Protector 16.7 V DIN Rail 2.5 kA, 20 kA ESP SL 106.5mm 7mm 104.6mm 106.5 x 7 x 104.6mm - -40°C +80°C -
RS Stock No. 216-0609
Mfr. Part No.B88069X7200B502
BrandEPCOS
$3.66
Each
units
3 Pole Arrester 350 V dc Through Hole 25kA B88069X 13.4mm 8mm 10.5mm 13.4 x 8 x 10.5mm - -40°C +90°C -
RS Stock No. 768-1697
Mfr. Part No.ESB 12 PF 415
BrandDehn
$2,039.50
Each
units
Surge Arrester 415 V - 100kA ESB12 300mm 142mm 300mm 300 x 142 x 300mm - -25°C +40°C -
RS Stock No. 172-8710
Mfr. Part No.1977-09-A01
BrandBourns
$162.998
Each (In a Box of 10)
units
Coaxial Surge Protector 130 V dc Through Hole 20kA 1977 68mm 26 (Dia.)mm - 68 x 26 (Dia.)mm - -50°C +85°C -
RS Stock No. 767-5487
Mfr. Part No.2800977
$319.23
Each
units
Protective Plug 21 V ac, 30 V dc DIN Rail 10kA PT-IQ-1X2+F-24DC-UT 17.7mm 77.5mm 91.1mm 17.7 x 77.5 x 91.1mm - -40°C +70°C -
RS Stock No. 172-8708
Mfr. Part No.1977-09-A00
BrandBourns
$162.998
Each (In a Box of 10)
units
Coaxial Surge Protector 130 V dc Through Hole 20kA 1977 64mm 26 (Dia.)mm - 64 x 26 (Dia.)mm - -50°C +85°C -
RS Stock No. 172-8707
Mfr. Part No.1320-S-75
BrandBourns
$165.781
Each (In a Box of 8)
units
2 Pole Protector 100 V dc DIN Rail 40kA 1320 18mm 67mm 90mm 18 x 67 x 90mm - -40°C +85°C -
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