Description
ZS4-S-R1
Entrelec ZS4-S-R1 screw-clamp disconnect (knife / sliding-link) terminal block, 4 mm², 5.2 mm pitch. The lever opens the circuit for isolation/testing; -T2/-T2.3 variants accept Ø2 mm test plugs. Rated 25 A / 400 V. DIN rail TH35 (EN 50022). Standards IEC 60947-7-1; UL 1059; CSA C22.2 No.158.
Key features
- Function: Disconnect / sliding-link (knife) block; -T2/-T2.3 add Ø2 mm test sockets; -R1 = profile variant
- Rated cross-section: 4 mm² (12 AWG)
- Connection capacity: Rigid 0.2-4 mm² / Flexible 0.22-4 mm² (24-12 AWG)
- Rated voltage Ui: 400 V (UL 150 V)
- Rated current: 25 A
- Impulse withstand voltage: 6000 V
Full technical specifications are listed under Additional Information. Datasheet (PDF). Source: Entrelec Terminal Blocks SNK catalog.



