ABB Monitoring Relay, 1 and 3 Phase, SPST Contact Configuration, DIN Rail Mount, 400V Switching Voltage 1SVR550870R9400

ABB 1SVR550870R9400 monitoring relay is an advanced protective device designed to detect undervoltage and overvoltage conditions in single and three-phase power circuits. This device is furnished with SPST contact configuration and is mounted on standard DIN rails, ensuring ease of installation and integration into electrical panels.

It operates within a wide voltage measuring range of 185 to 460V AC, making it suitable for use in a variety of low and medium power electrical systems. The relay features a swift 80ms maximum measuring cycle time and a configurable short time delay of 500ms, enabling prompt fault detection and equipment protection.

The relay is equipped with a yellow LED output indicator to visually signal when the relay output is energized, which assists in monitoring system status without additional tools. The terminals are finger-safe with an IP20 rating, enhancing user safety by preventing unwanted contact with wiring components. The unit reliably functions across a broad ambient temperature range of -20°C to +60°C, suitable for harsh industrial conditions.

Its compact form factor of 78.5mm length, 78mm height, and 22.5mm width allows for space-saving installation on control panels. The screw-type terminal connections provide robust and secure wiring interfaces, facilitating straightforward installation and maintenance.

Featuring compliance with extensive international standards and approvals including 93/68/EWG, EN61000 series, IEC255-6, cULus, and GOST, this relay meets stringent quality and safety criteria suitable for industrial and commercial applications.

Broad voltage measuring range from 185 to 460V AC ensures compatibility with low to medium power systems. Long mechanical service life of up to 30 million cycles for durable performance. Short time delay of 500ms enables quick protective response.

Yellow LED indicator for clear visual operating status. Terminals with IP20 rating for finger-safe protection. Wide operating temperature range appropriate for demanding environments. Compact size allows easy DIN rail mounting in control panels.

Reliable screw terminals simplify installation and wiring.

This monitoring relay finds extensive use in various industrial and commercial systems including refrigeration units, hydraulic pumps, compressors, and other equipment requiring precise voltage monitoring and protection. Its robust construction and versatile features make it ideal for automation, manufacturing, HVAC, and electrical control applications.

Choose the ABB 1SVR550870R9400 Monitoring Relay to strengthen your power system’s reliability and safety. Explore EnvMart’s comprehensive range of advanced monitoring devices and relays for all your industrial automation needs.