Presents the features and benefits of the ZS4-PE screw clamp terminal block, including improved short-circuit safety, performance above the requirements of IEC 60947-7-2 terminal block standard, and secured snap on or remove from the rail.
The ABB ZS4-PE screw clamp terminal block is presented in this technical datasheet, detailing its mechanical, electrical and environmental characteristics. Key features include a screw‑less rail contact, compliance with IEC 60947‑7‑2, and a range of accessories for various installation needs.
The document provides ordering information, short‑circuit current ratings, environmental test results, and a list of compatible accessories such as end stops, test adapters and protecting covers. It also specifies recommended installation tools and torque values to ensure safe and reliable operation.
| Protection rating | IP20 |
|---|---|
| Insulating material | Polyamide |
| Flammability rating | UL94 VO |
| Rated short‑time withstand current (1 s) | 480 A |
| Recommended torque | 0.6 Nm (5.31 lb·in) |
| Wire stripping length | >10.5 mm |
| Storage temperature range | -55 °C to +110 °C |
The terminal block has an IP20 protection rating.
Apply a torque of 0.6 Nm (5.31 lb·in).
It can withstand up to 480 A for a 1 second short‑circuit.
It complies with IEC 60068‑2 series tests for dry heat, cyclic damp heat, cold, salt‑mist corrosion and vibration.