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. 172-8706
Mfr. Part No.1320-S-48
BrandBourns
MYR411.149
Each (In a Box of 8)
units
2 Pole Protector 65 V dc DIN Rail 30kA 1320 18mm 67mm 90mm 18 x 67 x 90mm - -40°C +85°C -
RS Stock No. 788-6766
Mfr. Part No.ESP 240 D1
BrandWJ Furse
MYR1,541.83
Each
units
Mains Surge Protector 280 V DIN Rail 6.25 kA, 80 kA D1 - 72mm 90mm 72 x 90 x 88mm - -40°C +70°C -
RS Stock No. 672-7039
Mfr. Part No.CRH30330
MYR99.97
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. 802-6568
Mfr. Part No.2800107
MYR911.15
Each
units
Lightning Arrester 230 V ac DIN Rail 60kA FLT 60-400 35.5mm 65.5mm 90mm 35.5 x 65.5 x 90mm - -40°C +85°C -
RS Stock No. 802-6558
Mfr. Part No.2800035
MYR518.96
Each
units
Surge Arrester Protection Module 24 V dc Screw Mount 20kA S-PT-EX-24DC-1/2 28mm 79mm 28mm 28 x 79 x 28mm - -25°C +80°C -
RS Stock No. 881-5910
Mfr. Part No.SLAC-12036
MYR3,053.97
Each
units
Surge Protection Device - - 39kA - 180.3mm 180.3mm - 180.3 x 76.2 x 180.3mm - - - -
RS Stock No. 760-6756
Mfr. Part No.PGB1010603MRHF
BrandLittelfuse
MYR2.09
Each (In a Pack of 5)
units
ESD Suppressor 24 V dc Surface Mount - PGB1 1.66mm 0.84mm 0.36mm 1.66 x 0.84 x 0.36mm - -65°C +125°C -
RS Stock No. 768-1760
Mfr. Part No.DG S 275 FM
BrandDehn
MYR385.15
Each
units
Type 2 Arrester 275 V ac, 350 V dc Plug In 40kA DG 90mm 18mm 66mm 90 x 18 x 66mm - -40°C +80°C -
RS Stock No. 618-9761
Mfr. Part No.SLP16D
BrandMTL
MYR920.13
Each
units
Signal & Data Line Protector - - - SLP 105mm 12mm 86mm - - -40°C +80°C -
RS Stock No. 170-9937
Mfr. Part No.PGB1010603MRHF
BrandLittelfuse
MYR0.95
Each (On a Reel of 1000)
units
ESD Suppressor 24 V dc Surface Mount - PGB1 1.66mm 0.84mm 0.36mm 1.66 x 0.84 x 0.36mm - -65°C +125°C -
RS Stock No. 111-664
Mfr. Part No.3406.17.0009
MYR851.77
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. 802-8201
Mfr. Part No.2856032
MYR689.73
Each
units
Protective Plug 20 V ac, 28 V dc DIN Rail, Screw Mount 20kA PT 17.7mm 52mm 45mm 17.7 x 52 x 45mm - -40°C +85°C -
RS Stock No. 768-1729
Mfr. Part No.DV M TT 255 FM
BrandDehn
MYR5,400.02
Each
units
Lightning Arrester 255 V ac DIN Rail 100kA DV 90mm 144mm 66mm 90 x 144 x 66mm - -40°C +60°C -
RS Stock No. 785-8238
Mfr. Part No.1500-1S
BrandBourns
MYR483.94
Each
units
Isolated Ethernet Protector 360 V dc Wall Mount 3kA 1500 65mm 25.12mm 107.01mm 65 x 25.12 x 107.01mm - -40°C +65°C -
RS Stock No. 172-7300
Mfr. Part No.1320-S-110
BrandBourns
MYR411.149
Each (In a Box of 8)
units
2 Pole Protector 150 V dc DIN Rail 40kA 1320 18mm 67mm 90mm 18 x 67 x 90mm - -40°C +85°C -
RS Stock No. 890-8514
Mfr. Part No.STC-642-036
BrandSolaHD
MYR363.99
Each
units
Signal & Data Line Protector 36 V Screw Mount 10kA STC-642 60.96mm 25.4mm 52.07mm 60.96 x 25.4 x 52.07mm - -40°C +85°C -
RS Stock No. 768-1823
Mfr. Part No.DRC MCM XT
BrandDehn
MYR1,550.17
Each
units
Surge Monitor 48 V dc DIN Rail 1A DRC - - - - - -20°C +60°C -
RS Stock No. 788-6744
Mfr. Part No.ESP RS485
BrandWJ Furse
MYR628.31
Each
units
RS485 Surge Protector 16.7 V DIN Rail 5 kA, 20 kA - 105mm 38mm 54mm 120 x 54 x 19mm - -40°C +80°C -
RS Stock No. 456-8184
Mfr. Part No.ESP 50E
BrandWJ Furse
MYR609.58
Each
units
Twisted Pair Surge Protector 58 V DIN Rail 5 kA, 20 kA ESP E 120mm 19mm 54mm 120 x 54 x 19mm - -25°C +70°C -
RS Stock No. 768-1827
Mfr. Part No.DRL 10 B 180
BrandDehn
MYR607.35
Each
units
Lightning Arrester 127 V ac, 180 V dc Plug In 10kA DRL LSA 113mm 22mm 36mm 113 x 22 x 36mm - -40°C +80°C -