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
RS Stock No. 179-3083
Mfr. Part No.83230512
BrandMersen
£86.38
Each
Units
- 320 V ac DIN Rail 10kA STMT23 18mm 65mm 86mm 18 x 65 x 86mm - - -
RS Stock No. 179-3084
Mfr. Part No.83060101
BrandMersen
£741.12
Each
Units
Type 2 Arrester 400 V ac DIN Rail 240kA POP-CT 72mm 70mm 90mm 72 x 70 x 90mm - -5°C +40°C
RS Stock No. 179-3055
Mfr. Part No.83120139
BrandMersen
£586.51
Each
Units
Type 1 Arrester, Type 2 Arrester 275 V dc, 230/400 V ac DIN Rail 20kA STPT12 72mm 76mm 90mm 72 x 76 x 90mm - -40°C +80°C
RS Stock No. 179-3072
Mfr. Part No.83230403
BrandMersen
£222.17
Each
Units
- 230 V ac, 275 V dc DIN Rail 20kA STET23 62mm 69mm 90mm 62 x 69 x 90mm - - -
RS Stock No. 179-3057
Mfr. Part No.83120145
BrandMersen
£559.62
Each
Units
Type 1 Arrester, Type 2 Arrester 275 V dc, 230/400 V ac DIN Rail 12.5kA STPT12 72mm 76mm 90mm 72 x 76 x 90mm - -40°C +80°C
RS Stock No. 179-3073
Mfr. Part No.83120002
BrandMersen
£108.06
Each
Units
- 275 V ac Plug In 12.5kA STPT12 - - - - - -40°C +80°C
RS Stock No. 179-3081
Mfr. Part No.83020159
BrandMersen
£351.24
Each
Units
- 1500 V dc DIN Rail 40kA STPT2 54mm 70mm 90mm 54 x 70 x 90mm - -40°C +85°C
RS Stock No. 179-3064
Mfr. Part No.83020153
BrandMersen
£242.67
Each
Units
Type 2 Arrester 275 V ac DIN Rail 40kA STPT2-40 72mm 70mm 90mm 72 x 70 x 90mm - -40°C +80°C
RS Stock No. 179-3067
Mfr. Part No.83230126
BrandMersen
£197.47
Each
Units
- 275 V ac DIN Rail 20kA STPT23 72mm 70mm 90mm 72 x 70 x 90mm - - -
RS Stock No. 179-3058
Mfr. Part No.83020106
BrandMersen
£54.62
Each
Units
Type 2 Arrester 275 V ac DIN Rail 40kA STPT2-40 18mm 70mm 90mm 18 x 70 x 90mm - -40°C +80°C
RS Stock No. 179-3074
Mfr. Part No.83120005
BrandMersen
£109.74
Each
Units
- 275 V ac Plug In 25kA STPT12 - - - - - -40°C +80°C
RS Stock No. 179-3082
Mfr. Part No.83120168
BrandMersen
£349.38
Each
Units
- 1060 V dc DIN Rail 5kA STPT12 54mm 70mm 90mm 54 x 70 x 90mm - -40°C +85°C
RS Stock No. 179-3054
Mfr. Part No.83120161
BrandMersen
£879.26
Each
Units
Type 1 Arrester, Type 2 Arrester 275 V dc, 230/400 V ac DIN Rail 25kA STPT12 144mm 76mm 90mm 144 x 76 x 90mm - -40°C +80°C
RS Stock No. 179-3071
Mfr. Part No.83230511
BrandMersen
£120.16
Each
Units
- 275 V ac DIN Rail 20kA STMT23 18mm 65mm 86mm 18 x 65 x 86mm - - -
RS Stock No. 179-3080
Mfr. Part No.83020141
BrandMersen
£242.17
Each
Units
- 1060 V dc DIN Rail 40kA STPT2 54mm 70mm 90mm 54 x 70 x 90mm - -40°C +85°C
RS Stock No. 179-3063
Mfr. Part No.83020152
BrandMersen
£207.38
Each
Units
Type 2 Arrester 275 V ac DIN Rail 40kA STPT2-40 72mm 70mm 90mm 72 x 70 x 90mm - -40°C +80°C
RS Stock No. 179-3066
Mfr. Part No.83230111
BrandMersen
£118.99
Each
Units
- 275 V ac DIN Rail 20kA STPT23 36mm 70mm 90mm 36 x 70 x 90mm - - -
RS Stock No. 179-3053
Mfr. Part No.83120151
BrandMersen
£891.24
Each
Units
Type 1 Arrester, Type 2 Arrester 275 V dc, 230/400 V ac DIN Rail 25kA STPT12 144mm 76mm 90mm 144 x 76 x 90mm - -40°C +80°C
RS Stock No. 179-3070
Mfr. Part No.83230137
BrandMersen
£233.43
Each
Units
- 275 V ac DIN Rail 20kA STPT23 72mm 70mm 90mm 72 x 70 x 90mm - - -
RS Stock No. 179-3079
Mfr. Part No.83230000
BrandMersen
£43.87
Each
Units
- 255 V ac Plug In 20kA STPT23 - - - - - - -