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. 618-9777
Mfr. Part No.SLP32D/RS
BrandMTL
SGD275.41
Each
units
Surge Protection Device - DIN Rail 20kA SLP 105mm 12mm 86mm 105 x 12 x 86mm - -40°C +80°C -
RS Stock No. 251-3823
BrandMTL
SGD218.74
Each
units
Surge Protection Device 22 V ac, 32 V dc DIN Rail 20kA SD 7mm 109.6mm 99mm 7 x 109.6 x 99mm - -40°C +80°C -
RS Stock No. 618-9610
Mfr. Part No.MA15/D/2/SI
BrandMTL
SGD226.21
Each
units
1 Phase 240 V ac, 280 V dc DIN Rail 18kA MA15 79mm 25mm 93mm 79 x 25 x 93mm - -40°C +85°C -
RS Stock No. 618-9597
Mfr. Part No.MA15/D/1/SI/RS
BrandMTL
SGD230.97
Each
units
Mains Surge Protector 140 V DIN Rail 18kA MA15 79mm 25mm 93mm 79 x 25 x 93mm - -40°C +85°C -
RS Stock No. 621-8033
Mfr. Part No.MA3145-230-1-R
BrandMTL
SGD296.58
Each
units
1 Pole Arrester 270 V ac DIN Rail 45kA MA3100 89mm 65mm 92mm 89 x 65 x 92mm - -40°C +80°C -
RS Stock No. 618-9761
Mfr. Part No.SLP16D
BrandMTL
SGD300.46
Each
units
Signal & Data Line Protector - - - SLP 105mm 12mm 86mm - - -40°C +80°C -
RS Stock No. 621-8077
Mfr. Part No.MA3145-230-4-R
BrandMTL
SGD689.34
Each
units
3 Phase 270 V ac DIN Rail 45kA MA3100 89mm 65mm 92mm 89 x 65 x 92mm - -40°C +80°C -
RS Stock No. 144-8696
Mfr. Part No.PBUS6.2
BrandMTL
SGD152.30
Each
units
- - DIN Rail 8A PBU - - - - - - - -
RS Stock No. 144-8697
Mfr. Part No.SD32MXX-BCN
BrandMTL
SGD277.98
Each
units
Surge Protection Device 32 V DIN Rail - SD32 - - - - - - - -
RS Stock No. 144-8695
Mfr. Part No.PBUS02
BrandMTL
SGD14.03
Each
units
- - DIN Rail 8A PBU - - - - - - - -