AC 275V 10kA 20kA Surge Protective Device with DIN Rail Installation for Power Surge Protection

SPD Surge Protective Devices are engineered to safeguard electrical systems against transient surge conditions, featuring modular design and reliable protection for industrial applications.

This SPD is designed for power distribution system lightning protection and should be installed on the input side of distribution boards or power distribution boxes in buildings.

Installation Steps:

• Mount on 35mm DIN rail using Kelvin connections
• Always disconnect power before installation - never operate with live power
• Connect L (phase line), N (neutral line), and PE (ground line) correctly
• After installation, close the circuit breaker and verify normal operation status

Maintenance:

• Regularly check the status indicator window
• Green indicator indicates normal operation
• Red indicator indicates product deterioration - replace immediately
• For outdoor installation, use appropriate waterproof enclosure
• Grounding must comply with lightning protection standards
• Use thick, short grounding wires with resistance less than 4Ω

Wenzhou Britec Electric Co., Ltd., located in Yueqing City, Zhejiang Province, specializes in the technical R&D, production, and sales of surge protection products. With senior R&D experts, modern facilities, and comprehensive distribution services, the company maintains ISO9001 international standards to ensure product quality and customer satisfaction.