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

€ 36.65

€ 36.65 Each (Exc. Vat)

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1€ 36.65
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Mersen
Type 2 Arrester
Surge Protector
-
-
275V ac
-
DIN Rail
-
40kA
-
STPT2-40
-
-
-
-
-
-
-
-40°C
-
80°C
IEC 61643-11, EN 61643-11
90mm
18mm
70mm
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

€ 198.29

€ 198.29 Each (Exc. Vat)

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1€ 198.29
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Phoenix Contact
Type 3 Surge Protection Device
Surge Protection Device
-
-
240V ac/dc
-
DIN Rail
-
0.026kA
-
PLT-SEC
-
-
-
-
-
-
-
-40°C
-
80°C
IEC 61643-11, EN 61643-11
93.4mm
17.7mm
74.5mm
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

€ 185.74

€ 185.74 Each (Exc. Vat)

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1€ 185.74
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Phoenix Contact
Coaxial Surge Arrester
Surge Protector
-
-
280, 195V dc
-
-
-
20kA
-
CN-UB-280DC-BB
-
-
-
-
-
-
-
-40°C
-
85°C
EN 61643-21, IEC 61643-21
25mm
25mm
67mm
No
Phoenix Contact, VAL Surge Protector 230V ac Maximum Voltage Rating 40 kA Maximum Surge Current Surge Arrester
Phoenix Contact, VAL Surge Protector 230V ac Maximum Voltage Rating 40 kA Maximum Surge Current Surge Arrester
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RS Stock No.: 802-6542Brand: Phoenix ContactManufacturers Part No.: 2798844Sähkönumero: 5827138

€ 82.20

€ 82.20 Each (Exc. Vat)

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1€ 82.20
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Phoenix Contact
Surge Arrester Protection Module
Surge Protector
-
-
230V ac
-
DIN Rail
-
40kA
-
VAL
-
-
-
-
-
-
-
-40°C
-
80°C
EN 61643-11, IEC 61643-11
52.4mm
17.7mm
54.5mm
No
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

€ 134.28

€ 134.28 Each (Exc. Vat)

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1€ 134.28
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Phoenix Contact
Protective Plug
Surge Protector
-
-
28, 20V dc
-
DIN Rail, Screw
-
20kA
-
PT 1X2-24DC-ST
-
-
-
-
-
-
-
-40°C
-
85°C
IEC 61643-21, EN 61643-21
45mm
17.7mm
52mm
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

€ 198.29

€ 198.29 Each (Exc. Vat)

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1

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1€ 198.29
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Phoenix Contact
Type 3 Surge Protection Device
Surge Protection Device
-
-
240V ac/dc
-
DIN Rail
-
0.026kA
-
PLT-SEC
-
-
-
-
-
-
-
-40°C
-
80°C
KEMA KEUR, CCA, DNV GL, IECEE CB, EAC, IEC 61643-11, EN 61643-11
101mm
17.7mm
74.5mm
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

€ 22.84

€ 22.84 Each (Exc. Vat)

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1€ 22.84
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Phoenix Contact
Type 2
Surge Suppressor Unit
-
-
690V ac
-
DIN Rail
-
-
10 pieces
VAL
-
-
-
-
-
-
-
-40°C
-
80°C
EAC, cUL Recognised, IEC 61643-112011, UAE-RoHS, DNV GL, ÖVE, UL Recognised, CCA, CSA, IECEE CB Scheme, EN 61643-112012, KEMA-KEUR
52mm
89.8mm
17.7mm
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

€ 124.24

€ 124.24 Each (Exc. Vat)

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1€ 124.24
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Mersen
Type 2 Arrester, Type 3 Arrester
Surge Protector
-
-
275V ac
-
DIN Rail
-
20kA
-
STMT23
-
-
-
-
-
-
-
-
-
-
IEC 61643-11, EN 61643-11
86mm
18mm
65mm
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

€ 213.35

€ 213.35 Each (Exc. Vat)

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1€ 213.35
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Mersen
Type 2 Arrester
Surge Protector
-
-
275V ac
-
DIN Rail
-
40kA
-
STPT2-40
-
-
-
-
-
-
-
-40°C
-
80°C
EN 61643-11, IEC 61643-11
90mm
72mm
70mm
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

€ 117.97

€ 117.97 Each (Exc. Vat)

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1€ 117.97
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Phoenix Contact
Protective Plug
Surge Protector
-
-
264V ac
-
DIN Rail
-
40kA
-
VAL-CP-N/PE-350-ST
-
-
-
-
-
-
-
-40°C
-
80°C
EN 61643-11, IEC 61643-11
56.4mm
46.4mm
11.7mm
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

€ 3,275.55

€ 327.555 Each (In a Pack of 10) (Exc. Vat)

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10

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10€ 327.555
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Phoenix Contact
Surge Protection
Surge Protection Plug
-
-
30V
-
Base Mount
-
10kA
10 pieces
PT 2XEX(I)-24DC-ST
-
-
-
-
-
-
-
-40°C
-
85°C
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
44.8mm
-
51.7mm
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

€ 985.18

€ 98.518 Each (In a Pack of 10) (Exc. Vat)

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10

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10€ 98.518
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Phoenix Contact
Surge Protection
Surge Protector
-
-
120V ac
-
DIN Rail
-
-
10 pieces
PT 4-BE
-
-
-
-
-
-
-
-40°C
-
85°C
IEC 61643-21, EN 61643-21
90mm
-
51.5mm
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
IEC 60364-4-443, IEC 60364-5-534, EN 61643-11 2012, IEC 61643-11 2011
101mm
-
76mm
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

€ 909.88

€ 909.88 Each (Exc. Vat)

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1€ 909.88
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Mersen
Type 1 Arrester, Type 2 Arrester
Surge Protector
-
-
400V ac
-
DIN Rail
-
25kA
-
STPT12
-
-
-
-
-
-
-
-40°C
-
80°C
EN 61643-11, IEC 61643-11
90mm
144mm
76mm
No
Phoenix Contact, CN-UFB-5DC/E75 Surge Protection Connector 5V Maximum Voltage Rating 10 kA Maximum Surge Current
Phoenix Contact, CN-UFB-5DC/E75 Surge Protection Connector 5V Maximum Voltage Rating 10 kA Maximum Surge Current
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RS Stock No.: 220-3863Brand: Phoenix ContactManufacturers Part No.: 2763604Sähkönumero: 5807207

€ 357.68

€ 357.68 Each (Exc. Vat)

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1€ 357.68
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Phoenix Contact
Attachment Plug
Surge Protection Connector
-
-
5V
-
-
-
10kA
-
CN-UFB-5DC/E75
-
-
-
-
-
-
-
-40°C
-
80°C
EN 61643-21, IEC 61643-21
25.4mm
25.4mm
93mm
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

€ 92.87

€ 92.87 Each (Exc. Vat)

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1€ 92.87
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Phoenix Contact
-
Surge Protection Plug
-
-
21V ac
-
-
-
10kA
10 pieces
CTM 1X2
-
-
-
-
-
-
-
-25°C
-
75°C
DIN VDE 0110-1 / IEC 60664-1, IEC 61643-21
21mm
-
53.5mm
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
Add to parts list
RS Stock No.: 185-3083Brand: Phoenix ContactManufacturers Part No.: 2801615Sähkönumero: 5807045

€ 740.45

€ 740.45 Each (Exc. Vat)

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1€ 740.45
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Phoenix Contact
Protective Device
Lightning Arrester
-
-
264V ac
-
DIN Rail
-
10mA
-
FLT-SEC
-
-
-
-
-
-
-
-40°C
-
80°C
IEC 61643-11, EN 61643-11
167mm
35.5mm
74.5mm
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

€ 534.63

€ 534.63 Each (Exc. Vat)

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1€ 534.63
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Phoenix Contact
Protective Device
Lightning Surge Protector
-
-
440V ac
-
DIN Rail
-
10mA
-
FLT-SEC
-
-
-
-
-
-
-
-40°C
-
80°C
IEC 61643-11, EN 61643-11
95mm
35.6mm
74.5mm
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

€ 1,493.45

€ 149.345 Each (In a Pack of 10) (Exc. Vat)

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10€ 149.345
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Phoenix Contact
Type 3 Surge Protection Device
Surge Protection Plug
-
-
264V ac
-
On Base Element
-
-
10 pieces
PLT-SEC
-
-
-
-
-
-
-
-40°C
-
80°C
IEC 61643-11:2011/EN 61643-11:2012
46.7mm
17.5mm
65.7mm
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

€ 55.35

€ 55.35 Each (Exc. Vat)

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1€ 55.35
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Phoenix Contact
Base Element
Surge Protector
-
-
53V dc
-
DIN Rail, Screw
-
-
10 pieces
PT 1X2-BE
-
-
-
-
-
-
-
-40°C
-
85°C
EN 61643-21, DNV GL, cUL Listed, UL Listed, IEC 61643-21, EAC, CCC
90mm
17.7mm
52mm
UKCA-EX, ATEX, IECEx, NEPSI