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| Country of Origin | India |
|---|---|
| Brand | Crouzet |
| Height | 92.6mm |
| Function | Undervoltage Monitoring |
| Length | 69mm |
| Model | 84872142 |
| IP Rating | IP30, IP20 |
| Width | 17.5mm |
| Mount Type | DIN Rail |
| Series | MUS/MUSF |
| Maximum Operating Temperature | 50°C |
| Contact Configuration | SPDT |
| Minimum Operating Temperature | +50°C |
| Terminal type | Screw |
| Electrical Phase | 1 |
| Switching Voltage | 250V ac/dc |
| Contact Current | 5A |
| Supply DC Voltage | 110 to 240 V dc |
| Supply AC Voltage | 110, 240V ac |
| MUS | controls over- or undervoltage with a selectable |
| MUSF | controls over- or undervoltage |
Crouzet 84872142 Monitoring Relay is a precision electrical device designed for undervoltage monitoring in single-phase electrical systems. It supports a wide monitoring voltage range from 65 to 260 VAC or VDC, making it versatile for control and automation use in industrial environments.
The relay operates on supply voltages of 110 to 240 V AC and 110 to 240 V DC, allowing flexible integration with AC and DC power networks. Its SPDT contact configuration enables control of circuits with switching voltages up to 250 V AC or DC and contact current rated at 5A, ensuring reliable switching performance.
This device includes adjustable time delays and measures true RMS voltage, allowing accurate detection of under or overvoltage conditions. It is part of the MUS/MUSF series, with MUS models featuring selectable memory functions for voltage control.
Mounting is designed for DIN Rail installation, simplifying panel assembly while maintaining a compact footprint of 92.6 mm height, 69 mm length, and 17.5 mm width. The relay meets significant international standards including CE (LVD), UL 508, CSA C22.2 No. 14, and is compliant with RoHS and WEEE directives, ensuring safety and environmental standards compliance.
Its IP30 and IP20 protection ratings provide moderate protection against ingress and mechanical damage, suitable for most indoor industrial and electrical control cabinet environments.
The relay is ideal for industrial, automation, electrical control, and HVAC systems requiring precise undervoltage monitoring with robust switching capabilities. Its compact form factor and screw terminal connections facilitate easy installation and wiring.
LED status indication improves monitoring and troubleshooting onsite. Applications include manufacturing machinery control, production lines, and power supply monitoring. Choose the Crouzet 84872142 Monitoring Relay for reliable, efficient control in your electrical and automation systems. Explore more in the Monitoring Relays category at EnvMart.
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