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 Accessory Type
RS Stock No. 111-642
Mfr. Part No.3402.17.A
SGD305.29
Each
units
EMP Protector 230 V Panel Mount 20 kA, 30 kA 3402 69mm - 25.9mm - - -40°C +85°C - -
RS Stock No. 456-8178
Mfr. Part No.ESP 30E
BrandWJ Furse
SGD217.56
Each
units
Twisted Pair Surge Protector 36.7 V DIN Rail 5 kA, 20 kA ESP E 120mm 19mm 54mm 120 x 54 x 19mm - -25°C +70°C - -
RS Stock No. 802-6542
Mfr. Part No.2798844
SGD151.09
Each
units
Surge Arrester Protection Module 230 V ac DIN Rail 40kA VAL-MS 230 ST 17.7mm 54.5mm 52.4mm 17.7 x 54.5 x 52.4mm - -40°C +80°C - -
RS Stock No. 618-9777
Mfr. Part No.SLP32D/RS
BrandMTL
SGD304.96
Each
units
Surge Protection Device - DIN Rail 20kA SLP 105mm 12mm 86mm 105 x 12 x 86mm - -40°C +80°C - -
RS Stock No. 311-5880
Mfr. Part No.92615000
BrandSollatek
SGD63.40
Each
units
Over Voltage Protector 230 V - 6.5kA Hivoltguard 145mm 60mm 85mm 145 x 60 x 85mm - - - - -
RS Stock No. 311-5868
Mfr. Part No.91300000
BrandSollatek
SGD142.10
Each
units
Over Voltage Protector, Under Voltage Protector 230 V ac - 6.5kA AVS30 134mm 54mm 230mm 134 x 54 x 230mm - - - - -
RS Stock No. 198-0452
Mfr. Part No.ESP TN
BrandWJ Furse
SGD103.26
Each
units
Telephone Line Protector 296 V DIN Rail 5 kA, 20 kA ESP D/TN 120mm 19mm 54mm 120 x 54 x 19mm - -25°C +70°C - -
RS Stock No. 251-3823
BrandMTL
SGD237.60
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
SGD234.43
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. 802-6524
Mfr. Part No.2794903
SGD35.64
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. 788-6769
Mfr. Part No.ESP Cat-6
BrandWJ Furse
SGD555.12
Each
units
Cat-6 Surge Protector 5 V DIN Rail 1 kA, 10 kA ESP Cat-6 106mm 24mm 60mm 106 x 24 x 60mm - -40°C +80°C - -
RS Stock No. 111-664
Mfr. Part No.3406.17.0009
SGD282.30
Each
units
EMP Protector 200 V Panel Mount 5 kA, 10 kA 3406 48.1mm - 25.9 Dia.mm - - -40°C +85°C - -
RS Stock No. 456-8128
Mfr. Part No.ESP 240-5A
BrandWJ Furse
SGD255.65
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. 445-5426
Mfr. Part No.2838775
SGD381.09
Each
units
Protective Plug 14 V dc DIN Rail 20kA PT 5-HF-12 DC-ST 45mm 17.7mm 52mm - - -40°C +85°C - -
RS Stock No. 198-0430
Mfr. Part No.ESP 30D
BrandWJ Furse
SGD153.74
Each
units
Twisted Pair Surge Protector 37.1 V DIN Rail 5 kA, 20 kA ESP D/TN 120mm 19mm 54mm 120 x 54 x 19mm - -25°C +70°C - -
RS Stock No. 618-9597
Mfr. Part No.MA15/D/1/SI/RS
BrandMTL
SGD234.43
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. 198-0424
Mfr. Part No.ESP 15D
BrandWJ Furse
SGD158.35
Each
units
Twisted Pair Surge Protector 19 V DIN Rail 5 kA, 20 kA ESP D/TN 120mm 19mm 54mm 120 x 54 x 19mm - -25°C +70°C - -
RS Stock No. 768-1772
Mfr. Part No.DG MOD 275
BrandDehn
SGD94.01
Each
units
Surge Arrester Protection Module 275 V ac, 350 V dc Plug In 40kA DG 45mm 18mm 51mm 45 x 18 x 51mm - - - - -
RS Stock No. 238-924
Mfr. Part No.FP13-RS
SGD183.92
Each
units
Mains Protector 250 V ac - 13.5kA FP 93mm 63mm 55mm 93 x 63 x 55mm - - - - -
RS Stock No. 768-1842
Mfr. Part No.DPA M CLE RJ45B 48
BrandDehn
SGD262.35
Each
units
Surge Arrester 34 V ac, 57 V dc DIN Rail 10kA DPA 75mm 36mm 19mm 75 x 36 x 19mm - -40°C +80°C - -