Siemens Overload Relay 2 NO 5.5 kW 24V AC/DC 3RA2816-0EW20

Siemens 3RA2816-0EW20 Overload Relay 2 NO is engineered for industrial and commercial applications to safeguard motors and electrical circuits from overload conditions. Featuring a 5.5 kW power rating and compatible with 24V AC/DC control voltages, it provides essential protection to maintain operational stability and prevent damage.

The device includes a convenient manual reset function enabling operators to safely resume motor function following an overload. It operates effectively within a broad supply voltage range of 24 to 240V AC or DC, enhancing its adaptability across diverse installations.

Designed with two normally open auxiliary contacts, this relay supports versatile control and signaling configurations to match complex automation requirements. Its robust IP65 and IP55 ratings ensure reliable performance even in harsh industrial environments exposed to dust or moisture.

The relay’s compact size (45mm width, 38mm length, 74mm depth) allows straightforward mounting inside control panels without occupying excessive space. Its temperature tolerance from -25°C up to +60°C further assures dependable use across a wide variety of operating conditions.

Manufactured following stringent standards including EAC, UKCA, REACH, WEEE, RoHS, and CE, the 3RA2816-0EW20 model meets global safety and environmental compliance benchmarks. Typical applications include motor overload protection in industrial automation systems, machinery safety controls, and integration alongside Siemens SIRIUS contactors.

This product is ideally suited for indoor electrical panels and controlled environments where system integrity and operational safety are paramount. Regular inspection of wiring connections and relay contacts is recommended to sustain long-term reliability.

Manual reset design offers controlled restarting after overload events. Operates across broad voltage range from 24 to 240V AC/DC. Two normally open auxiliary contacts allow versatile wiring options. Robust IP65 and IP55 rated enclosure protects against dust and water ingress.

Compact dimensions facilitate easy integration within electrical panels. Withstand operating temperatures from -25°C to +60°C for durability. Clip-on mounting style enables quick installation and maintenance. Complies with EAC, UKCA, REACH, WEEE, RoHS, and CE standards.

Explore our comprehensive Siemens Overload Relays and control gear selections at EnvMart to optimize your industrial automation and electrical protection solutions.