Overview
The Moeller DIL ER-31 contactor is a compact, DIN rail-mounted miniature control relay manufactured by Eaton Cutler-Hammer. Rated for 10 amperes at 600V AC, this unit combines proven reliability with a modular design suited for panel mounting and field control applications across industrial automation systems.
Key Features
- 10 Amp Contact Rating – Handles control-level switching loads with consistent performance
- 600V AC / 250V DC Rated – Dual-voltage capability across AC and DC circuits
- DIN Rail Mount – Direct panel integration without adapters; saves space in compact cabinets
- 3 NO + 1 NC Contacts – Standard contact arrangement for flexible control logic
- A600/P300 Power Ratings – Meets thermal and power dissipation specifications for continuous duty
- Auxiliary Contact Block Compatibility – Expandable to 8 poles with top-mounted 2 or 4-pole blocks
Technical Specifications
- Contact Rating (AC): 10 A at 600V
- Contact Rating (DC): 0.5 A at 250V
- Number of Poles: 3 NO (normally open) + 1 NC (normally closed)
- Mounting Type: DIN rail
- Power Rating Designations: A600 / P300
- Operating Temperature Range: –5°C to +75°C (copper wire only)
- Coil Voltage Options: 24 VDC, 190V 50Hz, 220V 60Hz
- Weight: Approximately 180 g
- Manufacturing Standard: Made in Germany; complies with IEC 60947
- Dielectric Strength: 6000V impulse per IEC 60947 test requirements
Typical Applications
- Lighting and HVAC control circuits in commercial and industrial buildings
- Auxiliary relay logic for PLC and motor control panels
- Machinery protection and interlock circuits
- Pump and fan soft-start control
- General process automation requiring compact miniature contactors
Compatibility & Replacements
Compatible With
- Eaton/Moeller DIL series control systems and panels
- DIN rail-based industrial automation cabinets
- 24 VDC and AC-rated coil control circuits (voltage dependent on coil option selected)
- IEC 60947 compliant motor control and soft-start applications
Replaces / Drop-In Replacement For
- Moeller DIL ER-31-G (24 VDC coil variant)
- Moeller DIL ER-31-GI (24 VDC coil variant with alternate contact arrangement)
- Verify compatibility with your system integrator before ordering, as coil voltage and contact configuration must match original application specifications.
Works With
- Eaton/Moeller auxiliary contact block modules (top-mount 2/4-pole options)
- Standard DIN rail mounting systems
- Industrial control voltage standards (24 VDC, 190V 50Hz, 220V 60Hz)
- IEC-based motor soft-starters and contactor assemblies








