PRODUCT DESCRIPTION
EATON CORPORATION ETR4-51-A - Electronic Multifunction Timing Relay
The EATON CORPORATION ETR4-51-A is an electronic multifunction timing relay engineered for precise time-dependent control within industrial automation and process control systems. It provides a selection of common timing functions, enabling flexible sequencing, delay, and pulse generation for critical machine operations and control panel applications.
Technical Specifications:
- SERIES/FAMILY: ETR4 Series
- COMPONENT TYPE: Electronic Multifunction Timing Relay
- ELECTRICAL SPECS:
- NOMINAL VOLTAGE: 24-240V AC/DC (Wide Range)
- OPERATING FREQUENCY: 50/60 Hz (for AC supply)
- OUTPUT CONTACTS: 1 x Changeover (SPDT)
- CONTACT RATING: 3A @ 250VAC (AC-15), 3A @ 24VDC (DC-13)
- INTERFACE/CONTROL:
- TIMING FUNCTIONS: 8 or 10 selectable functions (e.g., ON-delay, OFF-delay, Flasher, Pulse Former)
- TIME RANGE: 0.05 seconds to 100 hours (adjustable via front rotary switches)
- CONTROL INPUT: Start/Reset input (function dependent)
- ENVIRONMENTAL/MOUNTING:
- MOUNTING STYLE: DIN Rail Mountable
- ENCLOSURE WIDTH: 22.5 mm
- PROTECTION RATING: IP20 (Terminals), IP40 (Front)
- OPERATING TEMPERATURE: -25°C to +60°C
- COMPATIBILITY/APPLICATION:
- APPLICATIONS: Industrial control panels, motor control circuits, process automation, HVAC systems, machine sequencing, safety circuits.
- STANDARDS: IEC/EN 61812-1, IEC/EN 60947-5-1