This product is a 5x20 fuse terminal block with IP20 NEMA 1 protection grade, DIN3-TH35 rail, maximum 4mm² wire and 10 AWG wire.
The ZS4-SF-R screw clamp terminal block is designed for 4 mm² (10 AWG) conductors and offers built‑in fuse protection compliant with IEC 60947‑7‑3. It features two jumper channels, a test socket, and a blown‑fuse indicator for easy fault identification.
The datasheet provides electrical ratings (250 V, 6.3 A), mechanical data (torque 0.6 Nm, wire stripping length 10.5 mm), environmental test results (IP20, temperature range –55 °C to +110 °C) and a full list of compatible accessories and ordering codes.
| Rated voltage | 250 V (IEC 60947‑1) |
|---|---|
| Rated current | 6.3 A (IEC 60947‑7‑1) |
| IP protection | IP20 |
| Torque (screw clamp) | 0.6 Nm |
| Wire stripping length | 10.5 mm |
| Rated cross section | 4 mm² (10 AWG) |
| Short‑time withstand current (1 s) | 480 A |
| Operating temperature range | –55 °C to +110 °C |
The terminal block is rated for 6.3 A according to IEC 60947‑7‑1.
It has an IP20 protection rating.
A torque of 0.6 Nm (approximately 5.3 in‑lb) is recommended.