OPIS PRODUKTU
SCHNEIDER ELECTRIC A9L20421 - Surge Protection Device
The SCHNEIDER ELECTRIC A9L20421 is a modular Type 2 Surge Protection Device (SPD) from the Acti 9 iPRD series, engineered for robust protection of electrical installations against transient overvoltages. This 2-pole device integrates a remote transfer contact for status monitoring, ensuring system integrity in critical power distribution applications within residential, commercial, and industrial environments. It provides essential overvoltage protection for sensitive equipment connected to AC power networks.
Technical Specifications:
- SERIES/FAMILY: Acti 9 iPRD20r
- COMPONENT TYPE: Surge Protection Device (SPD), Type 2
- ELECTRICAL SPECS:
- POLES: 2P
- MAXIMUM CONTINUOUS OPERATING VOLTAGE (Uc): 275 VAC
- NOMINAL DISCHARGE CURRENT (In): 10 kA (8/20 µs waveform)
- MAXIMUM DISCHARGE CURRENT (Imax): 20 kA (8/20 µs waveform)
- VOLTAGE PROTECTION LEVEL (Up): <= 1.2 kV
- FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Modular
- MODULE WIDTH: 2 modules (36 mm)
- INTERFACE/CONTROL:
- REMOTE SIGNALING: Yes, 1 NO/NC (Normally Open/Normally Closed) contact
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP40 (front face)
- MOUNTING STYLE: DIN rail (35 mm symmetrical rail)
- OPERATING TEMPERATURE RANGE: -25°C to +60°C
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Main and sub-distribution boards
- APPLICATION: Protection of electrical installations and connected equipment against transient overvoltages
- STANDARDS COMPLIANCE: IEC 61643-11
