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. 672-7035
Mfr. Part No.XEB1201
$19.018
Each (In a Pack of 5)
units
Mains Protector - Flange Mount - XEB 19mm 8.5mm 25mm 19 x 8.5 x 25mm - -40°C +85°C -
RS Stock No. 226-6448
Mfr. Part No.VSU2W
$44.09
Each
units
Transient Voltage Suppressor 275 V - 40A VSU 150mm 40mm 40mm 150 x 40 x 40mm - - - -
RS Stock No. 226-6454
Mfr. Part No.VSU3W
$38.29
Each
units
Transient Voltage Suppressor 480 V - 40A VSU 150mm 40mm 40mm 150 x 40 x 40mm - - - -
RS Stock No. 672-7039
Mfr. Part No.CRH30330
$26.86
Each
units
3 Phase 500 V ac Flange Mount - CRH 50mm 20mm 57mm 50 x 20 x 57mm 18mm -40°C +70°C -
RS Stock No. 707-9804
Mfr. Part No.DVSB400654TNS
$548.63
Each
units
Lightning Protector 320 V ac, 420 V ac DIN Rail 20kA DVSB 72mm 70mm 90mm 72 x 70 x 90mm - -40°C +80°C -
RS Stock No. 707-9823
Mfr. Part No.DVSC4840
$381.21
Each
units
1 Phase 40 V ac, 56 V dc DIN Rail 40kA DVS 35mm 68mm 90mm 35 x 68 x 90mm - -40°C +80°C -
RS Stock No. 707-9814
Mfr. Part No.DVSC2440
$317.03
Each
units
Type 1 Arrester, Type 2 Arrester 40 V ac, 56 V dc DIN Rail 40kA DVS 35mm 68mm 90mm 35 x 68 x 90mm - -40°C +80°C -
RS Stock No. 707-9810
Mfr. Part No.DVSB4001004TNS
$857.16
Each
units
Type 1 Arrester, Type 2 Arrester 320 V ac, 420 V ac DIN Rail 100kA DVSB 72mm 70mm 90mm 72 x 70 x 90mm - -40°C +80°C -
RS Stock No. 672-7048
Mfr. Part No.3CRH30330
$99.44
Each
units
3 Phase 500 V ac Flange Mount - CRH 66mm 32mm 62mm 66 x 32 x 62mm 13mm -40°C +70°C -