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 un...

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Mersen, STPT2-40 Surge Protector 275V ac Maximum Voltage Rating 40 kA Maximum Surge Current Type 2 Arrester
Mersen, STPT2-40 Surge Protector 275V ac Maximum Voltage Rating 40 kA Maximum Surge Current Type 2 Arrester
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RS Stock No.: 179-3058Brand: MersenManufacturers Part No.: 83020106 / STPT2-40K275V-1PSähkönumero: 3208514

€ 57.10

€ 57.10 Each (Exc. Vat)

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1€ 57.10
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Mersen
Surge Protector
Type 2 Arrester
-
275V ac
-
-
DIN Rail
-
-
40kA
-
STPT2-40
-
-
-
-
-
-
-40°C
-
80°C
18mm
70mm
90mm
IEC 61643-11, EN 61643-11
No
Phoenix Contact, PLT-SEC Surge Protection Device 240V ac/dc Maximum Voltage Rating 0.026 kA Maximum Surge Current Type 3
Phoenix Contact, PLT-SEC Surge Protection Device 240V ac/dc Maximum Voltage Rating 0.026 kA Maximum Surge Current Type 3
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RS Stock No.: 188-8255Brand: Phoenix ContactManufacturers Part No.: 2907919Sähkönumero: 5807055

€ 199.54

€ 199.54 Each (Exc. Vat)

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1€ 199.54
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Phoenix Contact
Surge Protection Device
Type 3 Surge Protection Device
-
240V ac/dc
-
-
DIN Rail
-
-
0.026kA
-
PLT-SEC
-
-
-
-
-
-
-40°C
-
80°C
17.7mm
74.5mm
93.4mm
IEC 61643-11, EN 61643-11
No
Phoenix Contact, CN-UB-280DC-BB Surge Protector 280 V dc, 195V ac Maximum Voltage Rating 20 kA Maximum Surge Current
Phoenix Contact, CN-UB-280DC-BB Surge Protector 280 V dc, 195V ac Maximum Voltage Rating 20 kA Maximum Surge Current
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RS Stock No.: 802-6726Brand: Phoenix ContactManufacturers Part No.: 2818850Sähkönumero: 5807030

€ 190.76

€ 190.76 Each (Exc. Vat)

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1€ 190.76
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Phoenix Contact
Surge Protector
Coaxial Surge Arrester
-
280, 195V dc
-
-
Plug-in
-
-
20kA
-
CN-UB-280DC-BB
-
-
-
-
-
-
-40°C
-
85°C
25mm
67mm
25mm
EN 61643-21, IEC 61643-21
No
Phoenix Contact, VAL-MS 230 ST
Phoenix Contact, VAL-MS 230 ST
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RS Stock No.: 802-6542Brand: Phoenix ContactManufacturers Part No.: 2798844Sähkönumero: 5827138

€ 84.08

€ 84.08 Each (Exc. Vat)

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1€ 84.08
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Phoenix Contact
-
-
-
-
-
-
-
-
-
-
-
VAL-MS 230 ST
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Phoenix Contact, PT 1X2-24DC-ST Surge Protector 28 V dc, 20V ac Maximum Voltage Rating 20 kA Maximum Surge Current
Phoenix Contact, PT 1X2-24DC-ST Surge Protector 28 V dc, 20V ac Maximum Voltage Rating 20 kA Maximum Surge Current
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RS Stock No.: 802-8201Brand: Phoenix ContactManufacturers Part No.: 2856032Sähkönumero: 5807020

€ 169.42

€ 169.42 Each (Exc. Vat)

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1€ 169.42
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Phoenix Contact
Surge Protector
Protective Plug
-
28, 20V dc
-
-
DIN Rail, Screw
-
-
20kA
-
PT 1X2-24DC-ST
-
-
-
-
-
-
-40°C
-
85°C
17.7mm
52mm
45mm
IEC 61643-21, EN 61643-21
No
Phoenix Contact, PLT-SEC Surge Protection Device 240V ac/dc Maximum Voltage Rating 0.026 kA Maximum Surge Current Type 3
Phoenix Contact, PLT-SEC Surge Protection Device 240V ac/dc Maximum Voltage Rating 0.026 kA Maximum Surge Current Type 3
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RS Stock No.: 188-8256Brand: Phoenix ContactManufacturers Part No.: 2907928Sähkönumero: 5807057

€ 199.54

€ 199.54 Each (Exc. Vat)

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1€ 199.54
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Phoenix Contact
Surge Protection Device
Type 3 Surge Protection Device
-
240V ac/dc
-
-
DIN Rail
-
-
0.026kA
-
PLT-SEC
-
-
-
-
-
-
-40°C
-
80°C
17.7mm
74.5mm
101mm
KEMA KEUR, CCA, DNV GL, IECEE CB, EAC, IEC 61643-11, EN 61643-11
No
Phoenix Contact, VAL Surge Suppressor Unit 690V ac Maximum Voltage Rating Type 2
Phoenix Contact, VAL Surge Suppressor Unit 690V ac Maximum Voltage Rating Type 2
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RS Stock No.: 445-5252Brand: Phoenix ContactManufacturers Part No.: 2817741Sähkönumero: 5827162

€ 22.97

€ 22.97 Each (Exc. Vat)

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1€ 22.97
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Phoenix Contact
Surge Suppressor Unit
Type 2
-
690V ac
-
-
DIN Rail
-
10 pieces
-
-
VAL
-
-
-
-
-
-
-40°C
-
80°C
89.8mm
17.7mm
52mm
EAC, cUL Recognised, IEC 61643-112011, UAE-RoHS, DNV GL, ÖVE, UL Recognised, CCA, CSA, IECEE CB Scheme, EN 61643-112012, KEMA-KEUR
No
Mersen, STMT23 Surge Protector 275V ac Maximum Voltage Rating 20 kA Maximum Surge Current Type 2 Arrester, Type 3
Mersen, STMT23 Surge Protector 275V ac Maximum Voltage Rating 20 kA Maximum Surge Current Type 2 Arrester, Type 3
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RS Stock No.: 179-3071Brand: MersenManufacturers Part No.: 83230511 / STMT23-20K275V-SP-SMSähkönumero: 3208515

€ 126.76

€ 126.76 Each (Exc. Vat)

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1€ 126.76
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Mersen
Surge Protector
Type 2 Arrester, Type 3 Arrester
-
275V ac
-
-
DIN Rail
-
-
20kA
-
STMT23
-
-
-
-
-
-
-
-
-
18mm
65mm
86mm
IEC 61643-11, EN 61643-11
No
Mersen, STPT2-40 Surge Protector 275V ac Maximum Voltage Rating 40 kA Maximum Surge Current Type 2 Arrester
Mersen, STPT2-40 Surge Protector 275V ac Maximum Voltage Rating 40 kA Maximum Surge Current Type 2 Arrester
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RS Stock No.: 179-3063Brand: MersenManufacturers Part No.: 83020152 / STPT2-40K275V-4PSähkönumero: 3208511

€ 218.37

€ 218.37 Each (Exc. Vat)

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1€ 218.37
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Mersen
Surge Protector
Type 2 Arrester
-
275V ac
-
-
DIN Rail
-
-
40kA
-
STPT2-40
-
-
-
-
-
-
-40°C
-
80°C
72mm
70mm
90mm
EN 61643-11, IEC 61643-11
No
Phoenix Contact, VAL-CP-N/PE-350-ST Surge Protector 264V ac Maximum Voltage Rating 40 kA Maximum Surge Current
Phoenix Contact, VAL-CP-N/PE-350-ST Surge Protector 264V ac Maximum Voltage Rating 40 kA Maximum Surge Current
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RS Stock No.: 802-8321Brand: Phoenix ContactManufacturers Part No.: 2859699Sähkönumero: 5807094

€ 121.11

€ 121.11 Each (Exc. Vat)

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1€ 121.11
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Phoenix Contact
Surge Protector
Protective Plug
-
264V ac
-
-
DIN Rail
-
-
40kA
-
VAL-CP-N/PE-350-ST
-
-
-
-
-
-
-40°C
-
80°C
46.4mm
11.7mm
56.4mm
EN 61643-11, IEC 61643-11
No
Phoenix Contact, PT 2XEX(I)-24DC-ST Surge Protection Plug 30V Maximum Voltage Rating 10 kA Maximum Surge Current Surge
Phoenix Contact, PT 2XEX(I)-24DC-ST Surge Protection Plug 30V Maximum Voltage Rating 10 kA Maximum Surge Current Surge
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RS Stock No.: 241-6063Brand: Phoenix ContactManufacturers Part No.: 2838225Sähkönumero: 5827163

€ 3,288.10

€ 328.81 Each (In a Pack of 10) (Exc. Vat)

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10€ 328.81
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Phoenix Contact
Surge Protection Plug
Surge Protection
-
30V
-
-
Base Mount
-
10 pieces
10kA
-
PT 2XEX(I)-24DC-ST
-
-
-
-
-
-
-40°C
-
85°C
-
51.7mm
44.8mm
IEC 60079-0 2011, EN 61643-21 A2:2013, IEC 60079-11 2011, IEC 61643-21 A2:2012, EN 60079-0 2012, EN 60079-26 2007, EN 60079-11 2012, IEC 60079-26 2006
ATEX
Phoenix Contact, PT 4-BE Surge Protector 120V ac Maximum Voltage Rating Surge Protection
Phoenix Contact, PT 4-BE Surge Protector 120V ac Maximum Voltage Rating Surge Protection
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RS Stock No.: 241-6070Brand: Phoenix ContactManufacturers Part No.: 2839402Sähkönumero: 7227106

€ 991.45

€ 99.145 Each (In a Pack of 10) (Exc. Vat)

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10€ 99.145
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Phoenix Contact
Surge Protector
Surge Protection
-
120V ac
-
-
DIN Rail
-
10 pieces
-
-
PT 4-BE
-
-
-
-
-
-
-40°C
-
85°C
-
51.5mm
90mm
IEC 61643-21, EN 61643-21
No
Phoenix Contact, VAL-CP-MCB-3S-350/40/FM Surge Arrester 250V ac Maximum Voltage Rating 30 kA Maximum Surge Current Surge
Phoenix Contact, VAL-CP-MCB-3S-350/40/FM Surge Arrester 250V ac Maximum Voltage Rating 30 kA Maximum Surge Current Surge
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RS Stock No.: 241-6080Brand: Phoenix ContactManufacturers Part No.: 2882750Sähkönumero: 5827178

€ 677.70

€ 677.70 Each (Exc. Vat)

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1€ 677.70
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Phoenix Contact
Surge Arrester
Surge Arrester
-
250V ac
-
-
DIN Rail
-
-
30kA
-
VAL-CP-MCB-3S-350/40/FM
-
-
-
-
-
-
-25°C
-
60°C
-
76mm
101mm
IEC 60364-4-443, IEC 60364-5-534, EN 61643-11 2012, IEC 61643-11 2011
No
Mersen, STPT12 Surge Protector 400V ac Maximum Voltage Rating 25 kA Maximum Surge Current Type 1 Arrester, Type 2
Mersen, STPT12 Surge Protector 400V ac Maximum Voltage Rating 25 kA Maximum Surge Current Type 1 Arrester, Type 2
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RS Stock No.: 179-3054Brand: MersenManufacturers Part No.: 83120161 / STPT12-25K275V-4PMSähkönumero: 3208512

€ 928.70

€ 928.70 Each (Exc. Vat)

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1€ 928.70
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Mersen
Surge Protector
Type 1 Arrester, Type 2 Arrester
-
400V ac
-
-
DIN Rail
-
-
25kA
-
STPT12
-
-
-
-
-
-
-40°C
-
80°C
144mm
76mm
90mm
EN 61643-11, IEC 61643-11
No
Phoenix Contact, CTM 1X2 Surge Protection Plug 21V ac Maximum Voltage Rating 10 kA Maximum Surge Current
Phoenix Contact, CTM 1X2 Surge Protection Plug 21V ac Maximum Voltage Rating 10 kA Maximum Surge Current
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RS Stock No.: 265-7505Brand: Phoenix ContactManufacturers Part No.: 2838513Sähkönumero: 7227160

€ 94.75

€ 94.75 Each (Exc. Vat)

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1€ 94.75
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Phoenix Contact
Surge Protection Plug
-
-
21V ac
-
-
-
-
10 pieces
10kA
-
CTM 1X2
-
-
-
-
-
-
-25°C
-
75°C
-
53.5mm
21mm
DIN VDE 0110-1 / IEC 60664-1, IEC 61643-21
No
Phoenix Contact, FLT-SEC Lightning Arrester 264V ac Maximum Voltage Rating 10 mA Maximum Surge Current Protective Device
Phoenix Contact, FLT-SEC Lightning Arrester 264V ac Maximum Voltage Rating 10 mA Maximum Surge Current Protective Device
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RS Stock No.: 185-3083Brand: Phoenix ContactManufacturers Part No.: 2801615Sähkönumero: 5807045

€ 759.28

€ 759.28 Each (Exc. Vat)

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1€ 759.28
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Phoenix Contact
Lightning Arrester
Protective Device
-
264V ac
-
-
DIN Rail
-
-
10mA
-
FLT-SEC
-
-
-
-
-
-
-40°C
-
80°C
35.5mm
74.5mm
167mm
IEC 61643-11, EN 61643-11
No
Phoenix Contact, FLT-SEC Lightning Surge Protector 440V ac Maximum Voltage Rating 10 mA Maximum Surge Current Protective
Phoenix Contact, FLT-SEC Lightning Surge Protector 440V ac Maximum Voltage Rating 10 mA Maximum Surge Current Protective
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RS Stock No.: 185-3084Brand: Phoenix ContactManufacturers Part No.: 2905987Sähkönumero: 5807031

€ 535.88

€ 535.88 Each (Exc. Vat)

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1€ 535.88
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Phoenix Contact
Lightning Surge Protector
Protective Device
-
440V ac
-
-
DIN Rail
-
-
10mA
-
FLT-SEC
-
-
-
-
-
-
-40°C
-
80°C
35.6mm
74.5mm
95mm
IEC 61643-11, EN 61643-11
No
Phoenix Contact, PLT-SEC Surge Protection Plug 264V ac Maximum Voltage Rating Type 3 Surge Protection Device
Phoenix Contact, PLT-SEC Surge Protection Plug 264V ac Maximum Voltage Rating Type 3 Surge Protection Device
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RS Stock No.: 207-2785Brand: Phoenix ContactManufacturers Part No.: 2907923Sähkönumero: 5807058

€ 1,506.00

€ 150.60 Each (In a Pack of 10) (Exc. Vat)

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10€ 150.60
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Phoenix Contact
Surge Protection Plug
Type 3 Surge Protection Device
-
264V ac
-
-
On Base Element
-
10 pieces
-
-
PLT-SEC
-
-
-
-
-
-
-40°C
-
80°C
17.5mm
65.7mm
46.7mm
IEC 61643-11:2011/EN 61643-11:2012
No
Phoenix Contact, PT 1X2-BE Surge Protector 53V dc Maximum Voltage Rating Base Element
Phoenix Contact, PT 1X2-BE Surge Protector 53V dc Maximum Voltage Rating Base Element
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RS Stock No.: 802-8220Brand: Phoenix ContactManufacturers Part No.: 2856113Sähkönumero: 5807021

€ 55.47

€ 55.47 Each (Exc. Vat)

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1€ 55.47
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Phoenix Contact
Surge Protector
Base Element
-
53V dc
-
-
DIN Rail, Screw
-
10 pieces
-
-
PT 1X2-BE
-
-
-
-
-
-
-40°C
-
85°C
17.7mm
52mm
90mm
EN 61643-21, DNV GL, cUL Listed, UL Listed, IEC 61643-21, EAC, CCC
UKCA-EX, ATEX, IECEx, NEPSI
Phoenix Contact, PT 2XEX(I)-BE Surge Protection Plug 21V ac Maximum Voltage Rating 325 mA Maximum Surge Current Base
Phoenix Contact, PT 2XEX(I)-BE Surge Protection Plug 21V ac Maximum Voltage Rating 325 mA Maximum Surge Current Base
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RS Stock No.: 265-7508Brand: Phoenix ContactManufacturers Part No.: 2839279Sähkönumero: 5827146

€ 115.46

€ 115.46 Each (Exc. Vat)

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1€ 115.46
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Phoenix Contact
Surge Protection Plug
Base Element
-
21V ac
-
-
DIN Rail
-
-
325mA
-
PT 2XEX(I)-BE
-
-
-
-
-
-
-40°C
-
85°C
-
51.5mm
90mm
EN 60079-11, EN 61643-21, EN 60079-0
II 1 G Ex ia IIC T4 to T6