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Timing Relay ETR4-51-W | 3 A Rated Current | Adjustable 3-60 Seconds | IP20 Protection by Eaton
The ETR4-51-W timing relay features a 3 A rated current and adjustable timing from 3 to 60 seconds—ideal for industrial automation and motor control applications. Built for reliable performance, with IP20 protection and a high mechanical lifespan of 30 million operations.
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Product Name/Title: Timing Relay ETR4-51-W | 3 A Rated Current | Adjustable 3-60 Seconds | IP20 Protection by Eaton
Brand: Eaton
SKU: Y7-31885
Alternatively Known As: ETR4 Timing Relay, Star-Delta Timer Relay, Motor Start Timer, Eaton ETR4 Relay
Technical Specifications
- Power consumption: 0.5 VA at AC (pick-up and sealing power)
- Rated operational voltage (Ue) max: 440 V AC
- Rated operational current (Ie): 3 A at AC-14, 440 V
- Rated impulse withstand voltage (Uimp): 6000 V AC
- Rated insulation voltage (Ui): 600 V
- Contact changeover time: 50 ms
- Command time: 50 ms AC
- Operating frequency: 4000 operations per hour
- Ambient operating temperature: -25 °C to 60 °C
- Mounting position: As required
- Terminal capacity: 0.5 - 2.5 mm² solid or flexible with ferrule
- Overvoltage category: III
- Pollution degree: 2
- Shock resistance: 4 g mechanical
- Degree of protection: IP20 at terminals
- Dimensions (H x L x W): 83mm x 103mm x 23mm
- Weight: 0.117 kg
Key Features
- Fixed timing function with star-delta switching
- Time range adjustable from 3 to 60 seconds
- Rated control supply voltage of 400 V AC at 50/60 Hz
- Single change-over contact with 3 A rated operational current
- Screw connection type for secure wiring
- High mechanical lifespan of 30,000,000 operations
- Suitable for DIN rail (top hat rail) mounting
- Shock resistance of 4 g according to IEC/EN 60068-2-27
- Degree of protection IP20 at terminals
- Complies with VDE 0435 IEC/EN 61000-4-2 and IEC/EN 61812 standards
Professional Installation Requirements
- Installation by a qualified electrician is required to ensure compliance with electrical safety standards and proper integration into control systems.
Applications
- Industrial automation control systems
- Motor star-delta starting circuits
- Timing control in electrical panels
- DIN rail mounting in electrical switchboards
Standards & Compliance
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
- Complies with AS/NZS 3820 – Essential Safety Requirements for Electrical Equipment
Environmental Benefits
- High durability reduces replacement frequency and waste
- Low power consumption of 0.5 VA reduces energy usage
- Complies with electromagnetic compatibility standards to minimize interference
Warranty Information
Standard Eaton warranty applies; typically 1-3 years depending on region and application. Refer to Eaton warranty policy for details.
Available Now
The Eaton Moeller ETR4-51-W Timing Relay is available for immediate purchase, ideal for industrial motor control and automation applications.
