SMC – ZSE40AF‑01‑Y – Digital Vacuum/Compound Pressure Switch

The SMC ZSE40AF‑01‑Y is a high-precision digital pressure switch suitable for vacuum or compound pressure applications. It features a dual-color (red/green) backlit display, adjustable analog output, and up to two PNP switch outputs with copy function—ideal for accurate monitoring and control in pneumatic systems. Its space-saving design supports various piping options and offers enhanced energy efficiency and safety features.

Key Specifications:

• Model: ZSE40AF‑01‑Y (compound pressure type)  

• Pressure Range: Vacuum/compound; typically −100 to +100 kPa (−14.5 to +14.5 psi)

• Display: 2‑color LCD, auto-switching between red/green indicating setpoint status  

• Outputs:

    • 2 PNP open-collector switches (≤80 mA each)

    • Copy-function enable/set propagation to up to 10 slave units  

• Analog Output: 4–20 mA (≤600 Ω load) or 1–5 V (selectable); 12–24 V DC supply  

• Response Time: Anti-chatter selectable; 20 / 100 / 500 / 1000 / 2000 ms  

• Power Requirements: 12–24 V DC ±10%; 45 mA max; reverse polarity protected

• Ingress Protection: IP65

• Housing & Connections:

    • Compact epoxy-coated body, various piping: R1/8 with M5 or 1/8″ NPT

    • Cable models with M8 (3-pin) or 4-pin connectors; manual wiring also supported  

• Diagnostics: Auto-zero clear, auto-shift setpoint, error codes for over/under pressure, load faults  

• Compliance: CE, UL/CSA, RoHS