Overview
The Phoenix Contact FLT-PLUS CTRL-1.5/I is a Type 1 / Class I (lightning current arrester) with arc chopping spark gap and ignition electronics, quenching plates for high mains follow-through current quenching capacity, 1-channel. This Flashtrab B-130 surge protector delivers protection level: 1.5 kV and is engineered for demanding industrial and commercial electrical systems where transient surge protection is critical.
Key Features
- Housing width: 35 mm (2 Div.) — compact DIN rail mount for standard control cabinet installation
- Voltage protection level Up ≤ 1.5 kV with response time ≤ 100 ns — rapid surge suppression
- Max. backup fuse with branch wiring · 500 A (NH-gL) with follow current quenching capacity If · 50 kA — robust current handling and self-quenching
- Handles TT, TN-C, and TN-S IEC power supply systems — universal grounding compatibility
- Screw connection with Biconnect screw terminal blocks — reliable field termination
Technical Specifications
- Nominal voltage: 230 V AC / 400 V AC
- Maximum continuous operating voltage (UC): 350 V AC
- Voltage protection level (UP): ≤ 1.5 kV
- Peak discharge current (Iimp): 50 kA
- Follow current quenching capacity: 50 kA
- Response time: ≤ 100 ns
- Backup fuse rating: 500 A (NH-gL)
- Degree of protection: IP20
- Mounting: DIN rail 35 mm
- Housing dimensions: 35.5 mm × 80.5 mm × 149.8 mm
- Weight: 510 grams
Typical Applications
The FLT-PLUS CTRL-1.5/I is installed in:
- Industrial control cabinets and distribution panels
- Building automation and HVAC systems
- Power distribution installations requiring IEC Type 1/Class I protection
- Facilities in lightning-prone regions or with high transient susceptibility
- Motor control centers and machine tool electrical systems
Compatibility & Replacements
Compatible With
- Standard DIN rail 35 mm mounting systems
- IEC TT, TN-C, and TN-S earthing systems
- AC power systems rated 230 V / 400 V
- Industrial control cabinets and enclosures with IP20 environment
Replaces / Drop-In Replacement For
Verify exact interchangeability with your system integrator before ordering. The FLT-PLUS CTRL-1.5/I (order number 2800120) is the /I variant with enhanced specifications compared to the standard FLT-PLUS CTRL-1.5 (order number 2818520).
Works With
- Standard industrial lightning and surge protection designs per IEC 61643-11
- Control systems using VDE 0675-6 and EN 60664-1 compliance requirements
- Electrical installations following NF C61-740 French standard and equivalent regional codes










