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)
FREE delivery for orders over £50.00
Temporarily out of stock
- 999,999,999 unit(s) shipping from 21 November 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 | |
| Standards Met | CE, CSA, UL | |
| Minimum Voltage Sensed | 250V ac | |
| Dimensions | 109.5 x 22.5 x 78mm | |
| Minimum Frequency Sensed | 50Hz | |
| Operating Temperature Range | -25 → +60°C | |
| Maximum Voltage Sensed | 400V ac | |
| Terminal Type | Screw | |
| Minimum Operating Temperature | -25°C | |
| Height | 78mm | |
| Width | 22.5mm | |
| Maximum Operating Temperature | +60°C | |
| Maximum Frequency Sensed | 60Hz | |
| Length | 109.5mm | |
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 | ||
Standards Met CE, CSA, UL | ||
Minimum Voltage Sensed 250V ac | ||
Dimensions 109.5 x 22.5 x 78mm | ||
Minimum Frequency Sensed 50Hz | ||
Operating Temperature Range -25 → +60°C | ||
Maximum Voltage Sensed 400V ac | ||
Terminal Type Screw | ||
Minimum Operating Temperature -25°C | ||
Height 78mm | ||
Width 22.5mm | ||
Maximum Operating Temperature +60°C | ||
Maximum Frequency Sensed 60Hz | ||
Length 109.5mm | ||
- 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