Overview
The Phoenix Contact FLT-PLUS CTRL-0.9/I is a Type 1 / Class I / B combined lightning current and surge arrester designed for industrial and commercial electrical systems. This Flashtrab device features arc chopping spark gap technology with integrated ignition electronics and a control lamp for operational status monitoring. With a 0.9 kV protection level, it delivers dependable surge suppression across 330V AC mains.
Key Features
- Arc chopping spark gap with ignition electronics and control lamp
- Type 1+2 combined arrester for lightning and surge protection
- High-capacity quenching plates for mains follow-through current suppression
- IP20 ingress protection rating
- 1-channel configuration for single-circuit protection
- Housing width: 35 mm (2 DIN divisions)
Technical Specifications
- Rated Voltage (Uc): 330V AC
- Protection Level (Up): 0.9 kV
- Impulse Current (Iimp): 50 kA (10/350 μs, 25 As)
- Fuse Rating: 250A gL/gG
- Ingress Protection: IP20
- Classification: Type 1 / Class I / B (IEC 61643-11)
- Housing Width: 35 mm (2 DIN divisions)
- Weight: 530 g
- Mounting: DIN rail
Typical Applications
- Industrial control panels and automation systems
- Electrical distribution cabinets in manufacturing facilities
- Lightning protection in building installations
- Transient overvoltage suppression in commercial and utility systems
- Single-phase 330V AC mains protection
Compatibility & Replacements
Compatible With
- DIN-rail mounted control cabinets and electrical enclosures
- Industrial automation systems requiring Type 1+2 arrester protection
- Single-phase 330V AC distribution networks
- Standard gL/gG fuse coordination in industrial panels
Replaces / Drop-In Replacement For
- Phoenix Contact FLT-PLUS CTRL-0.9 (without integrated control lamp)
- Earlier-generation Flashtrab 0.9 kV arresters with equivalent specifications
Works With
- Standard DIN-rail mounting systems in electrical enclosures
- Industrial control and distribution cabinet installations
- IEC 61643-11 compliant protection architectures
- 250A gL/gG fused circuits and overcurrent protection devices












