This datasheet provides detailed information on the ZS4-SP-R1 connector, including the dimensions of the terminal connector, electrical characteristics, installation instructions, etc.
The ABB ZS4-SP-R1 screw clamp terminal block is a 4 mm disconnect terminal with screw‑less component holder plug, offering two aligned jumper channels for simplified feed‑through and disconnect circuits. The datasheet provides mechanical data such as IP20 protection, wire stripping length of 10.5 mm, and required torque of 0.6 Nm, as well as electrical ratings including 20 A rated current and 400 V IEC rated voltage.
Environmental characteristics cover a wide temperature range (storage –55 °C to +110 °C, installing –5 °C to +40 °C) and compliance with IEC climatic tests for dry heat, damp heat, cold, and vibration. The document also lists compatible accessories such as end stops, jumper bars, test adapters, and tools.
| Rated voltage (IEC) | 400 V |
|---|---|
| Rated voltage (UL) | 150 V |
| Rated current | 20 A |
| Short‑time withstand current (1 s low) | 480 A |
| Protection rating | IP20 |
| Wire stripping length | 10.5 mm |
| Operating torque | 0.6 Nm |
| Storage temperature range | -55 °C to +110 °C |
| Insulating material | Polyamide |
| Flammability rating | UL94 VO |
The terminal block is rated for 400 V according to IEC 60947‑1 and 150 V according to UL 1059.
It is rated for a continuous current of 20 A as specified in IEC 60947‑7‑1.
The device can be stored from –55 °C up to +110 °C.