Technical Specifications Coil rated voltage:120 VAC. Contact configuration: multi‑pole change‑over contacts. Contact rating:10 A at 250 VAC resistive load. Mechanical service life: 10 million operations. Electrical service life: 100 000 operations under full rated load. Operating Temperature:‑40 °C to +70 °C Storage Temperature:‑50 °C to +80 °C Relative Humidity:5%‑95%, non‑condensing Mounting form: DIN‑35 rail mounting compatible.
Functional Features Electromechanical contact‑switching for industrial control‑logic circuits. Multi‑pole simultaneous‑action contact sets. Built‑in coil surge‑suppression protection component. Mechanical‑action visual indicator window for contact‑status observation. Suitable for interlock‑signal and auxiliary‑circuit control‑loop switching.
Application Scenarios Legacy GE PLC‑based industrial control cabinets. Turbine unit auxiliary‑control logic circuits. Industrial‑automation equipment interlock‑logic loops. Burner‑management system auxiliary‑signal switching positions. Factory‑automation control panel internal logic signal switching.
Performance Parameters Minimum coil pick‑up voltage:85% of rated coil voltage. Maximum coil drop‑out voltage:15% of rated coil voltage. Initial contact resistance: less than 50 mΩ. Insulation withstand voltage between coil and contacts:2000 VAC.
Structural Characteristics Compact DIN‑rail‑mount plastic housing assembly. Multi‑pole independent contact sets inside housing. Coil terminal block and contact‑circuit terminal block physical separated layout. Mechanical‑action visual indicator window on front housing surface.
Working Principle When control voltage is applied to relay coil, electromagnetic‑core generates magnetic attraction force to pull armature mechanism. Armature drives contact‑spring assembly movement to complete contact‑closing or contact‑opening actions. External control‑signal loops are switched through change‑over contact sets according to coil energized / de‑energized state.
Installation Requirements Mount on standard DIN‑35 mounting rail inside industrial control cabinet. Wiring terminals tightened to specified torque value. Physically separate high‑power‑load wiring from weak‑signal control‑loop wiring. Complete cabinet protective grounding connection. Confirm coil rated voltage matches actual field control‑power supply.
Usage Notes Do not exceed contact‑rated current and voltage load limits. Install external surge‑suppression component when switching inductive‑type loads. Inspect contact ablation wear condition after long‑time operation cycles.
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