DEHN DEHNcord L3P 275SO LTG Type 2 Surge Protective Device (900445)

Install the DEHNcord L3P 275SO LTG Type 2 surge protective device in LED lighting systems, street lighting, or industrial lighting circuits to protect against transient overvoltages. This in-line SPD is designed for 3-phase systems and features screw terminals for secure connection.

Key specifications

• Type 2 surge protective device according to EN 61643-11 / IEC 61643-11
• Nominal voltage: 230 / 400 V AC, 50/60 Hz
• Max. continuous operating voltage: 275 V AC
• Nominal discharge current (8/20 µs): 5 kA
• Max. discharge current (8/20 µs): 10 kA
• Voltage protection level: ≤ 1.3 kV
• Response time: < 25 ns
• Protection paths: L-N, L-PE, N-PE
• Rated load current: 16 A AC
• Short-circuit withstand capability: 25 kA with max. 32 A gG fuse
• Mounting: in-line installation
• Connection: screw terminals, max. 4 mm² solid / 2.5 mm² flexible
• Degree of protection: IP65
• Operating temperature: -40 °C to +80 °C
• Fault indication: optical (green/red)
• Enclosure: thermoplastic, UV-resistant

Why choose it

The DEHNcord L3P 275SO LTG provides reliable protection for sensitive LED lighting and other electrical equipment against surge voltages. Its compact in-line design allows installation directly in cable ducts or junction boxes, and the optical status indicator simplifies maintenance.

Ideal use cases

• LED lighting systems
• Street lighting
• Industrial lighting

Good to know

The device is designed for 3-pole protection in 3-phase systems and meets the requirements of EN 61643-11 and IEC 61643-11.