| Attribute | Value |
|---|---|
| Brand | Klockner Moeller |
| Model | Etr4-51-a |
| AC Voltage | 24…240V 50/60Hz |
| DC Voltage | 24…240V |
| Time Delay | 3…60S |
| U=50Ms | B300 |
| Tightening Torque | 1.2 Nm AWG 20-14 |
| Ue | 240V~ 400V~ |
| Ie (AC-15) | 3A |
| Ie (AC-14) | 3A |
| Ith | 6A |
| Uimp | 6000V |
| Iii/3 | 01 257 035419 |
| IEC Standards | IEC 947, IEC 255 |
| Weight | 250 Gm |
What is the Klockner Moeller ETR4-51-A Time Delay Relay?
The Klockner Moeller ETR4-51-A is a very reliable and diversified time delay relay that is meant to maximize timing functions in industrial control circuits. The electronic timing component is highly reputable for its accuracy, small size, and durable construction, thus being a key device to guarantee precise time-based switching in electric automation systems.
Made by the well-known Moeller brand (now owned by Eaton), the ETR4-51-A performs effectively in a broad scope of industrial and commercial uses. It provides secure delay-on and delay-off capabilities, thereby protecting equipment and promoting process stability.
Features of the ETR4-51-A Time Delay Relay
Multi-function Timing Capability: Provides diverse timing functions including ON-delay, OFF-delay, interval, and pulse generation.
Adjustable Time Range: Delay times adjustable between milliseconds and several hours provide excellent flexibility.
Compact DIN-Rail Design: Conveniently mountable within control panels, conserving space and making integration easy.
LED Status Indicators: Visual indication of power and relay status facilitates simple troubleshooting.
Wide Voltage Range Compatibility: Compatible with a range of AC/DC voltages, ideal for worldwide applications.
High Accuracy & Repeatability: Constructed for dependable performance with low timing drift.
Protective Features: Overvoltage and short-circuit protection to guarantee device life.
CE & UL Certified: Meets international safety and quality requirements.
Uses of Klockner Moeller ETR4-51-A
The ETR4-51-A finds its optimal application in:
Industrial Control Systems – motor star/running, conveyor control, and process coordination.
Machine Tools – guaranteed timed motion for cutting, welding, and forming.
Control Panels – utilized within smart panels for time-controlled load switching.
Lighting & HVAC Systems – supporting optimized delay timers for system start/stop.
Power Distribution Units – controlling delayed power-on or power-off of circuits.
Safety Circuits – providing safe operation with buffered-time switching.
Why Select the Klockner Moeller ETR4-51-A Time Delay Relay?
Selection of the ETR4-51-A relay presents different benefits for engineers and maintenance technicians:
Stable Operation: Mitigates circuit stress and mechanical wear through delayed activation or deactivation.
Economical Automation: Automates tasks easily without having to use complicated PLCs.
Convenience: Easy-to-use screw terminals, easy-to-understand time-setting dial, and straightforward function charts.
Versatile Compatibility: Flexible fit in retrofits and new setups in most industries.
High Precision Control: Needed for processes involving exacting time sequencing or buffering.
Whatever your application–control panels, safety interlocks, or automated conveyors–the Klockner Moeller ETR4-51-A delivers reliable performance and simple integration.
