Engineering Focus
Designed for critical control circuits, the SUT-2.5 terminal block delivers 1000V isolation performance with compact dimensions. Supporting 0.2–4 mm² conductors at 24A continuous current, it enables safe signal/power transmission in PLC systems, instrumentation, and industrial automation.
Key Specifications
| Parameter | Technical Data |
|---|---|
| Cross-section | 0.2–4 mm² |
| Rated Voltage | 1000V AC/DC |
| Rated Current | 24A (25°C ambient) |
| Contact Resistance | <3 mΩ |
| Isolation Voltage | 4kV (50Hz, 1min) |
| Operating Temp | -40°C to +105°C |
| Torque | 0.6 Nm |
| Housing Material | PA66 (UL94 V-0, Glow-wire 850°C) |
Innovative Features
1. High-Voltage Security
- Arc-resistant design: Flame-retardant PA66 housing passes 850°C glow-wire test
2. Smart Bridging System
- FBS Series Jumper compatible: Tool-less bridge installation for vertical circuits
3. Simplified Installation
- Push-in cage clamp: Self-adjusting spring pressure for 0.2–4mm² stranded/solid wires
4. Traceability Solutions
- ZB5 Marking Strip ready: Compatible with industry-standard markers
- Laser-engravable surface: Permanent identification (≤0.5mm character depth)
Application Scenarios
- PLC Control Cabinets: Sensor/actuator wiring with 1000V isolation
- Power Supplies: Secondary circuit connections in switch-mode PSUs
- Instrumentation: Signal conditioning modules in test benches
- HVAC Systems: Control board interconnections
Compliance & Certifications
- GB/T 14048.1 & 14048.7 (Chinese Low-voltage Switchgear Standards)
- International: IEC 60947-7-1, CE, EN 60999
- Environmental: RoHS, IP20 protection
Technical Notes:
- FBS Jumpers
- Material: Phosphor bronze with tin plating
- Current rating: 24A (same as terminal)
- Color options: Red
- ZB5 Marking System
- Field-printable with standard industrial markers
- Safety Margins
- 150% overvoltage withstand (1500V/60s per GB/T 14048.7)
- 2000V lightning impulse tested
Post time: Jun-23-2025