Technical Specifications Rated Operational Current: 16 A Coil Voltage: 110‑120 VAC 50/60Hz Main Pole Configuration: 3‑pole main circuit Auxiliary Contact: 1 Normally Open + 1 Normally Closed Rated Operational Voltage: 690 VAC Mechanical Durability: 10 000 000 operations Protection Class: IP20 for cabinet interior mounting Mounting Form: DIN‑rail or screw fixed mounting Certifications: CE, UL
Functional Features Realizes remote on‑off control for three‑phase AC motor and power loads. Provides integrated auxiliary contact for status feedback and interlock logic. Adopts arc‑extinguishing structure to suppress electric arc during contact breaking. Supports installation of matching thermal overload relay for motor overload protection. Accepts DIN‑rail quick mounting and screw fixed mounting modes. Offers stable coil electromagnetic drive performance against voltage fluctuation. Visible auxiliary contact status for on‑site visual checking.
Application Scenarios Three‑phase asynchronous motor start‑stop control. Motor control center drawer unit switching component. Factory automation equipment power loop control. HVAC fan and pump motor control cabinets. General industrial distribution cabinet load switching.
Performance Parameters Operating coil pull‑in voltage: 85%‑110% of rated coil voltage Coil drop‑out voltage: 20%‑60% of rated coil voltage Response pull‑in time: ≤15 ms Response drop‑out time: ≤12 ms Mean Time Between Failures: Greater than 240000 hours under normal industrial environment Shock and vibration resistance: Complies with IEC 60947‑1 cabinet‑mount standard
Installation Requirements Mount contactor on standard DIN‑rail or fixed mounting base inside control cabinet. Ensure cabinet ground connection follows system grounding specification strictly. Separate high‑power main circuit wiring and weak‑signal control wiring routing. Confirm coil voltage and main circuit load parameters match nameplate rating before power‑on. Ambient installation environment stays within defined temperature and humidity range without condensed moisture. Tighten terminal screws with manufacturer‑recommended torque value to prevent bad contact. Reserve sufficient clearance for heat dissipation and arc‑extinguishing space.
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