Eaton Phase, Voltage Monitoring Relay, 250 → 400V ac, DIN Rail
- RS Stock No.:
- 179-3546
- Mfr. Part No.:
- 184778 EMR6-W400-M-1
- Brand:
- Eaton
Subtotal (1 unit)*
£175.16
(exc. VAT)
£210.19
(inc. VAT)
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- Shipping from 15 December 2025
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Units | Per unit |
|---|---|
| 1 + | £175.16 |
*price indicative
- RS Stock No.:
- 179-3546
- Mfr. Part No.:
- 184778 EMR6-W400-M-1
- Brand:
- Eaton
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Eaton | |
| Monitoring Application | Phase, Voltage | |
| Voltage Sensing Range | 250 → 400V ac | |
| Voltage Sensitivity | Overvoltage, Undervoltage | |
| Mounting Type | DIN Rail | |
| Phase Sensitivity | Phase Failure, Phase Sequence | |
| Time Delay | 0.1 → 30s | |
| Frequency Sensing Range | 50 → 60Hz | |
| Maximum Frequency Sensed | 60Hz | |
| Maximum Operating Temperature | +60°C | |
| Terminal Type | Screw | |
| Operating Temperature Range | -25 → +60°C | |
| Maximum Voltage Sensed | 400V ac | |
| Minimum Frequency Sensed | 50Hz | |
| Dimensions | 109.5 x 22.5 x 78mm | |
| Minimum Voltage Sensed | 250V ac | |
| Length | 109.5mm | |
| Standards Met | CE, CSA, UL | |
| Width | 22.5mm | |
| Height | 78mm | |
| Minimum Operating Temperature | -25°C | |
Select all | ||
|---|---|---|
Brand Eaton | ||
Monitoring Application Phase, Voltage | ||
Voltage Sensing Range 250 → 400V ac | ||
Voltage Sensitivity Overvoltage, Undervoltage | ||
Mounting Type DIN Rail | ||
Phase Sensitivity Phase Failure, Phase Sequence | ||
Time Delay 0.1 → 30s | ||
Frequency Sensing Range 50 → 60Hz | ||
Maximum Frequency Sensed 60Hz | ||
Maximum Operating Temperature +60°C | ||
Terminal Type Screw | ||
Operating Temperature Range -25 → +60°C | ||
Maximum Voltage Sensed 400V ac | ||
Minimum Frequency Sensed 50Hz | ||
Dimensions 109.5 x 22.5 x 78mm | ||
Minimum Voltage Sensed 250V ac | ||
Length 109.5mm | ||
Standards Met CE, CSA, UL | ||
Width 22.5mm | ||
Height 78mm | ||
Minimum Operating Temperature -25°C | ||
- COO (Country of Origin):
- DE
Eaton Voltage Monitoring Relay, 400V AC Maximum Voltage, 50ms Measuring Cycle - EMR6 Series - 184778 EMR6-W400-M-1
Protect your equipment from a state of over-voltage or under-voltage using this voltage monitoring relay from Eaton. You can use it to monitor phase failures and phase sequences in 3-phase motors, making it a versatile choice. Mounting it is simple as the DIN rail design means you can clip it on without any tools. Thanks to a wide operating temperature range between -20°C and +60°C, this unit can withstand challenging environments. The LED indicators let you observe its operating status for quick configuration. Use this relay to monitor voltage conditions in your electrical and mechanical industrial applications.
• Adjustable reset delay/off-delay time between 0.1 and 30s for versatility
• Measuring cycle of 50ms for rapid operation
• Temperature error rating of 0.06%/°C to accommodate temperature fluctuations for enhanced accuracy
• Maximum voltage sensed of 400V AC for safe use in powerful systems
• Measuring cycle of 50ms for rapid operation
• Temperature error rating of 0.06%/°C to accommodate temperature fluctuations for enhanced accuracy
• Maximum voltage sensed of 400V AC for safe use in powerful systems
How durable is this relay?
This device has an electrical lifespan of 10,000,000 operations so you can rely on it for long-term performance. This is further enhanced by its mechanical durability rating of 30,000,000 cycles.
Note
Eaton formerly known as Moeller