PilzPNOZ-S9 PNOZ-S4Safety Relay Set — PNOZ s9 Contact Expansion Module and PNOZ s4 C E-STOP Relay, 24 VDC, 3 N/O 1 N/C

Product Description

What this part is

A two-module Pilz PNOZsigma safety relay set: one PNOZ s9 and one PNOZ s4 C, both 24 VDC. The PNOZ s4 C monitors E-STOP pushbuttons and safety gates. The PNOZ s9 is a contact expansion and safe timer module.

Decoding the designation

PNOZ s4 C — PNOZsigma safety relay for E-STOP and safety gate monitoring. The C denotes plug-in spring-loaded terminals. Pilz order number 751104.

PNOZ s9 — PNOZsigma contact expansion module with delayed and instantaneous contact functions, t = 0–300 s.

What these specs mean in practice

Supply Voltage: 24 VDC (PNOZ s9: 19.2–28.8 VDC). Outputs: 3 N/O safety contacts, 1 N/C auxiliary contact on each module. PNOZ s9 Delay Time: 0–300 s. PNOZ s9 Contact Rating: 6 A at 240 VAC AC-1, 6 A at 24 VDC DC-1; 5 A at 230 VAC AC-15, 5 A at 24 VDC DC-13. PNOZ s9 Width: 17.5 mm. PNOZ s9 Depth: 120 mm. PNOZ s9 Weight: 175 g. PNOZ s4 C Safety Rating: PL e / Category 4 to ISO 13849-1, SIL 3 to IEC 62061.

Mounting data

Mounting: DIN 35 mm rail.

Quantity and configuration

Set of two modules: one PNOZ s9 and one PNOZ s4 C.

Interchange guidance

PNOZ s4 C 751104 shares its function with the screw-terminal PNOZ s4 750104. PNOZ s9 is supplied as 750109 with screw terminals and 751109 with spring-loaded terminals.