Type 1+2 Surge Protector AC 7kA 50kA Overvoltage Defense

Name: Type 1+2 Surge Protector 7kA 50kA - ETEK Electri
SKU: ETU5-T1+T2-7

Safeguards crucial low-voltage power distribution networks utilizing the reliable Type 1+2 Surge Protector. Designed to intercept direct lightning surges, the ETU5-T1+T2-7 model provides superior transient overvoltage protection, functioning as an essential class 1 surge protection barrier.

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ModelETU5-T1+T2-7

CategoryAC Surge Protectors, Surge Protective Devices

AvailabilityIn stock

CE & TUV certified
Worldwide shipping
OEM & ODM support

Product Features of the Type 1+2 Surge Protector

Engineered with thermal plastic UL94-V0, this Type 1+2 Surge Protector ensures uncompromised electrical safety and modular convenience.

Combined Suppression: Integrates high-energy MOV and GDT protective elements, functioning seamlessly as a heavy-duty class 1 surge protection module.
High Discharge Rating: Delivers a 7kA impulse discharge current (10/350µs) alongside a 50kA maximum discharge current (8/20µs), ensuring resilient type 1 and 2 surge protection.

Product Tips

To ensure accurate installation and maintenance, the physical architecture of the ETU5-T1+T2-7 includes the following designated interfaces:

Product Tips type 1+2 surge protector

Live line interface: Secure connection point for incoming AC phase.
Pluggable cartridge: Allows rapid replacement without disconnecting the base.
Visual status indication: Green indicates OK, Red indicates a defect.
Remote signal terminal: Optional port for transmitting status to central panels.
Neutral line interface: Dedicated terminal for the neutral connection.
Keyed N-PE module: Prevents incorrect insertion of the neutral-ground cartridge.
Ground line interface: Ensures effective dissipation of transient surges to earth.

Product Selection Guide

ETU5-T1+T2-7 Configuration Structure
Code Name	Meaning
E	ETEK
T	T series
U5	SPD series No.5
T1+T2	Class I+II / Type 1+2
7	Iimp: 7kA
1P / 1PN…	No. of Poles: 1:1P; 2:2P; 3:3P; 4:4P; 1PN:1P+NPE; 3PN:3P+NPE
275 / 385…	Uc: 150:150V; 275:275V; 320:320V; 385:385V; 440:440V
S	With Remote Signaling

Field Applications for the Type 1+2 Surge Protector

Deploying the ETU5-T1+T2-7 unit minimizes catastrophic equipment failure across facilities requiring a highly dependable Type 1+2 Surge Protector.

Applications & Use Cases

Building Main Distribution: Protects entire commercial structures against direct and indirect lightning surges at the main AC power intake.
Telecom & Data Rooms: Shields sensitive IT infrastructure and networking hardware from grid anomalies as an essential class 1 surge protection barrier.
Industrial Control Systems: Secures automated manufacturing panels and branch distribution boards operating continuously under high-stress conditions.

Technical Specifications with the Type 1+2 Surge Protector

Evaluate the comprehensive alternating current parameters and exact part numbers below to align this Type 1+2 Surge Protector with your IEC/EN 61643-11 load calculations.

Model Preparation Meaning

ETU5-T1+T2-7 Configuration Guide
Code Name	Meaning
E	ETEK
T	T series
U5	SPD series No.5
T1+T2	Class I+II / Type 1+2
7	Iimp: 7kA
1P / 1PN…	No. of Poles: 1:1P; 2:2P; 3:3P; 4:4P; 1PN:1P+NPE; 3PN:3P+NPE
275 / 385…	Uc: 150:150V; 275:275V; 320:320V; 385:385V; 440:440V
S	With Remote Signaling

Main Technical Data

Electrical Parameters
Network systems	TN-S, TN-C, TT (only L-N)
Mode of protection	L-PE, N-PE (only TN-S), L-PEN, L-N
Max continuous operating voltage (Uc) L-N	150V / 275V / 320V / 385V / 440V
Max continuous operating voltage (Uc) N-PE	255V
Impulse discharge current (Iimp) 10/350µs	7kA
Nominal discharge current (In) 8/20µs	25kA
Maximum discharge current (Imax) 8/20µs	50kA
Voltage protection level (Up) L-N	1.2kV / 1.4kV / 1.6kV / 1.8kV / 2.0kV
Voltage protection level (Up) 5kA	1.0kV / 1.2kV / 1.4kV / 1.5kV / 1.6kV
Response time (tA) L-N / N-PE	≤25ns / ≤100ns
Max. Back-up fuse	160A gL/gG
Mechanical & Environmental Data
Operating temperature range (Tu)	-40°C to +80°C
Cross-section area (Min. / Max.)	4mm² / 35mm²
Mounting	35mm DIN Rail, EN 60715
Degree of protection	IP20 (built-in)
Remote contacts (RC) switching capacity	AC: 250V/0.5A; DC: 250V/0.1A; 125V/0.2A; 75V/0.5A

SPD Type Reference List (Standard Models)

No. of poles	Max. continuous operating AC voltage (Without Remote Signaling)
No. of poles	150V	275V	320V	385V	440V
1P	ETU5-T1+T2-7-1P150	ETU5-T1+T2-7-1P275	ETU5-T1+T2-7-1P320	ETU5-T1+T2-7-1P385	ETU5-T1+T2-7-1P440
2P	ETU5-T1+T2-7-2P150	ETU5-T1+T2-7-2P275	ETU5-T1+T2-7-2P320	ETU5-T1+T2-7-2P385	ETU5-T1+T2-7-2P440
3P	ETU5-T1+T2-7-3P150	ETU5-T1+T2-7-3P275	ETU5-T1+T2-7-3P320	ETU5-T1+T2-7-3P385	ETU5-T1+T2-7-3P440
4P	ETU5-T1+T2-7-4P150	ETU5-T1+T2-7-4P275	ETU5-T1+T2-7-4P320	ETU5-T1+T2-7-4P385	ETU5-T1+T2-7-4P440
1P+NPE	ETU5-T1+T2-7-1PN150	ETU5-T1+T2-7-1PN275	ETU5-T1+T2-7-1PN320	ETU5-T1+T2-7-1PN385	ETU5-T1+T2-7-1PN440
3P+NPE	ETU5-T1+T2-7-3PN150	ETU5-T1+T2-7-3PN275	ETU5-T1+T2-7-3PN320	ETU5-T1+T2-7-3PN385	ETU5-T1+T2-7-3PN440

SPD Type Reference List (With Remote Signaling)

No. of poles	Max. continuous operating AC voltage (With Remote Signaling “S”)
No. of poles	150V	275V	320V	385V	440V
1P	ETU5-T1+T2-7-1P150S	ETU5-T1+T2-7-1P275S	ETU5-T1+T2-7-1P320S	ETU5-T1+T2-7-1P385S	ETU5-T1+T2-7-1P440S
2P	ETU5-T1+T2-7-2P150S	ETU5-T1+T2-7-2P275S	ETU5-T1+T2-7-2P320S	ETU5-T1+T2-7-2P385S	ETU5-T1+T2-7-2P440S
3P	ETU5-T1+T2-7-3P150S	ETU5-T1+T2-7-3P275S	ETU5-T1+T2-7-3P320S	ETU5-T1+T2-7-3P385S	ETU5-T1+T2-7-3P440S
4P	ETU5-T1+T2-7-4P150S	ETU5-T1+T2-7-4P275S	ETU5-T1+T2-7-4P320S	ETU5-T1+T2-7-4P385S	ETU5-T1+T2-7-4P440S
1P+NPE	ETU5-T1+T2-7-1PN150S	ETU5-T1+T2-7-1PN275S	ETU5-T1+T2-7-1PN320S	ETU5-T1+T2-7-1PN385S	ETU5-T1+T2-7-1PN440S
3P+NPE	ETU5-T1+T2-7-3PN150S	ETU5-T1+T2-7-3PN275S	ETU5-T1+T2-7-3PN320S	ETU5-T1+T2-7-3PN385S	ETU5-T1+T2-7-3PN440S

Dimensions and Wiring of the Type 1+2 Surge Protector

Confirm exact 35mm DIN rail enclosure compatibility using the physical footprints, connection layouts, and maintenance guidelines associated with this Type 1+2 Surge Protector.

Dimensional Data (mm)

Dimension type 1+2 surge protector

Poles	Width	Height	Depth
1P	18 mm	89.5 mm	67.4 mm
2P	36 mm	89.5 mm	67.4 mm
3P	54 mm	89.5 mm	67.4 mm
4P	72 mm	89.5 mm	67.4 mm

Basic Circuit Diagram

Basic Circuit Diagram type 1+2 surge protector

Connection Diagram

Proper integration of the spd type 1 2 3 ensures balanced load protection. Follow the designated phase (L1, L2, L3), neutral (N), and ground (PE) mapping strictly.

Connection Diagram type 1+2 surge protector