The SR4M4009 Power Relay, a high-performance solution for your industrial automation needs. With a compact Printed Circuit Board mount design, this relay features four poles with Silver Tin Oxide (AgSnO2) contacts for reliable conductivity. Operating at a coil resistance of 101 Ω and a low coil current of .089 A, it offers energy efficiency without compromising on power. The 9 VDC coil voltage and 400 VAC maximum switching voltage ensure compatibility with a wide range of systems, while the 3 Form A (NO) + 1 Form B (NC) contact arrangement allows for versatile control options. With RoHS compliance and a robust construction, the SR4M4009 is a dependable choice for HVAC and other demanding applications. Upgrade to the SR4M4009 and experience superior performance in your relay systems.