GE – 667488 (SA Block II 15/230 LNE) – 2‑Pole DIN‑Rail Surge Protector

The GE 667488 surge protector, also known as the SA Block II 15/230 LNE, is a 2-pole DIN-rail mounted surge protective device (SPD) designed for single-phase supply lines. Offering 15 kA maximum discharge capacity and IEC 61643-11 Class II protection, it safeguards critical electronics against transient overvoltages in TN-C/TT systems.

Key Features & Specifications

• Model / Part No.: 667488 (SA Block II 15/230 LNE)  

• Protection Type: Surge arrester, Class II/C per IEC 61643-11  

• Poles: 2‑pole (Line-to-Neutral and Neutral-to-Earth protection)

• Nominal Voltage (Un): 230 VAC

• Voltage Protection Level (Up): 1300 V (common mode), 1500 V (differential mode)  

• Max Discharge Current (Imax, 8/20 µs): 15 kA; nominal 5 kA  

• Impulse Current Withstand (Iimp): 15 kA (10/350 µs)  

• Mounting: 35 mm DIN-rail; 2-module width (~35 mm)  

• Standards Compliance: IEC 61643‑11, CE marked

• Operating Temperature: –40 °C to +80 °C

• LED Indication: Status LED for operational monitoring (per typical SA Block features)