Spring Cage Terminal
FST2.5 Spring-Cage Type Terminal Blocks
Description
Specification
Unmatched Technical Specifications
• Current Rating: 17.5A continuous (24A peak)
• Voltage Rating: 500V AC/DC (300V UL)
• Wire Range: 0.2-4mm² (24-12 AWG)
• Contact Resistance: <3mΩ initial, <5mΩ after 1000 cycles
• Operating Temperature: -40°C to +105°C
• Mechanical Life: 10,000+ operation cycles
• Flame Rating: UL94 V-0 compliant
Premium Material Construction
Contact System:
High-conductivity copper alloy (CuSn6) contacts
Precision tin plating (3µm) for corrosion resistance
Self-cleaning contact surfaces
Housing:
Advanced PA66 material with 25% glass fiber reinforcement
UV-stabilized for outdoor applications
Color-stable formulation (available in 6 standard colors)
Spring Mechanism:
Stainless steel (1.4310) spring element
Patented dual-force contact system
Visual contact verification window
Industry-Leading Features
√ Tool-less Push-In Technology - Accepts solid and ferruled stranded wires with finger pressure
√ Easy-Release Orange Lever - Provides 50% less operating force than competitors
√ Anti-Slip Wire Grip - Serrated contact teeth prevent wire pull-out
√ Transparent Housing - Allows visual confirmation of proper wire seating
√ DIN Rail Compatible - TS35/7.5/15 rail mounting options
Certifications & Compliance
• UL 1059 / IEC 60947-7-1 certified
• CE marked per EN 60998
• RoHS & REACH compliant
• 100% automated production testing
• 5-year performance warranty
Why Engineers Prefer Our Solution
→ 75% Faster Installation than screw terminals
→ Vibration-Resistant up to 15G (IEC 60068-2-6)
→ Maintenance-Free operation
→ Space-Saving compact design
→ Future-Proof modular system
Basic Information
| Product Model | FST2.5 |
| Product spacing | 5.0mm |
| Product Name | Pull-back rail terminal |
| Product Layers | 1P |
| Wiring method | Spring-cage connection |
| Operating temperature | -40~+105° |
UL Data
| Rated current | 20A |
| Rated voltage | 600V |
| Rated wiring capacity | IEC:0.2~2.5mm² UL:28~12AWG |
Material Information
| Insulation Materials | PA66 |
| Flame retardant grade | UL94V-0 |
| Conductor material | Copper Alloy |
| Conductor surface coating | Tinning |