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. 172-9922
Mfr. Part No.1200TA
BrandBourns
$29.48
Each (In a Box of 8)
units
- - Panel Mount - 1200 25mm 17.5mm 40mm 25 x 17.5 x 40mm - - - -
RS Stock No. 808-7929
Mfr. Part No.DCB YPV SCI 600 FM
BrandDehn
$599.82
Each
units
Type 1 Arrester, Type 2 Arrester 600 V dc DIN Rail 15kA DCB 72mm 73mm 90mm 72 x 73 x 90mm - -40°C +80°C -
RS Stock No. 802-8201
Mfr. Part No.2856032
$275.76
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. 854-4909
Mfr. Part No.2801533
$512.81
Each
units
Lightning Arrester 75 V ac, 100 V dc, 250 V ac DIN Rail 30kA VAL-MS-T1/T2 48/12.5/1+1V-FM 35.6mm 77.5mm 97mm 35.6 x 77.5 x 97mm - -40°C +80°C -
New
RS Stock No. 188-8253
Mfr. Part No.2907918
$183.80
Each
units
Type 3 Surge Protection Device 120 V ac/dc DIN Rail 26A - 17.7mm 74.5mm 93.4mm 17.7 x 74.5 x 93.4mm - -40°C +80°C -
RS Stock No. 135-7154
Mfr. Part No.2906755
$266.08
Each
units
Surge Protection Device 30 V dc DIN Rail 5 (Discharge)kA TTC-6P-2-HC-M-24DC-PT-I 100mm 6.2mm 105.8mm 100 x 6.2 x 105.8mm - -40°C +85°C -
New
RS Stock No. 188-8250
Mfr. Part No.2907925
$183.80
Each
units
Type 3 Surge Protection Device 24 V ac/dc DIN Rail 26A - 17.7mm 74.5mm 101mm 17.7 x 74.5 x 101mm - -40°C +80°C -
RS Stock No. 161-8369
Mfr. Part No.ESP CATV/F
BrandWJ Furse
$257.47
Each
units
ESP Protector 140 V Surface Mount 3kA ESP TV 75mm 23mm 58mm 75 x 23 x 58mm - -40°C +80°C -
RS Stock No. 172-7301
Mfr. Part No.1977-50-A01
BrandBourns
$252.233
Each (In a Box of 10)
units
Coaxial Surge Protector 600 V dc Through Hole 20kA 1977 68mm 26 (Dia.)mm - 68 x 26 (Dia.)mm - -50°C +85°C -
RS Stock No. 621-8033
Mfr. Part No.MA3145-230-1-R
BrandMTL
$254.08
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. 852-9824
Mfr. Part No.2807955
$856.30
Each
units
Protective Plug 28 V ac, 40 V dc Plug In 10kA CT 10-2PE/FS-24 111mm 68.5mm 22mm 111 x 68.5 x 22mm - -25°C +75°C -
RS Stock No. 768-1805
Mfr. Part No.DFL M 255
BrandDehn
$126.72
Each
units
Surge Arrester 255 V ac Flush Mount 3kA DFL 30mm 11mm 50mm 30 x 11 x 50mm - -25°C +40°C -
RS Stock No. 808-7923
Mfr. Part No.DG YPV SCI 600 FM
BrandDehn
$364.88
Each
units
Type 2 Arrester 600 V DIN Rail 40kA DG 54mm 73mm 90mm 54 x 73 x 90mm - -40°C +80°C -
RS Stock No. 618-9777
Mfr. Part No.SLP32D/RS
BrandMTL
$288.53
Each
units
Surge Protection Device - DIN Rail 20kA SLP 105mm 12mm 86mm 105 x 12 x 86mm - -40°C +80°C -
RS Stock No. 712-3157
Mfr. Part No.J01028A0045
$192.35
Each
units
Type N Arrester 230 V Panel Mount - J01028A 69mm - 30.5mm - - -30°C +100°C -
RS Stock No. 179-3053
Mfr. Part No.83120151
BrandMersen
$2,228.10
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. 847-0971
Mfr. Part No.DG M TNC 275 FM
BrandDehn
$427.78
Each
units
Type 2 Arrester 275 V DIN Rail 40kA DG 54mm 66mm 90mm 54 x 66 x 90mm - -40°C +80°C -
RS Stock No. 135-7130
Mfr. Part No.2906860
$41.93
Each
units
Surge Protection Device 36 V dc DIN Rail 5 (Nominal Discharge)kA TTC-6-GDT-C-24AC-PT-I 69.5mm 6.2mm 92mm 69.5 x 6.2 x 92mm - -40°C +85°C -
RS Stock No. 175-2600
Mfr. Part No.OVR T2 40-275s C QS
BrandABB
$152.79
Each
units
- 275 V DIN Rail 40kA OVR 17.6mm 67mm 57mm 17.6 x 67 x 57mm - -40°C +80°C -
RS Stock No. 175-2608
Mfr. Part No.OVR SLTN
BrandABB
$338.82
Each
units
- 296 V DIN Rail 20kA OVR 106.5mm 7mm 104.6 106.5 x 7 x 104.6mm - -40°C +80 -
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