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Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC 3.5-5A F.L.C 5A Contact Rating 1.5 kW 3P 3RU2116-1FB0
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Length | 87mm |
| Model | 3RU2116-1FB0 |
| Depth | 73mm |
| IP Rating | IP55, IP65 |
| Width | 45mm |
| Mount Type | Direct |
| Series | SIRIUS 3RU2 |
| Power Rating | 1.5kW |
| Maximum Operating Temperature | 70°C |
| Minimum Operating Temperature | -40°C |
| Terminal type | Screw |
| Standards/Approvals | RoHS, WEEE (2012/19/EU), REACH, UL, UKCA, IEC, CCC, EAC, CE |
| Contact Voltage | 690V ac |
| Reset Method | Automatic & Manual |
| Normal State Configuration | 1 NO/1 NC |
| Relay Contact Current | 5A |
| Number of Auxiliary Contacts | 2 |
| Pole and Throw Configuration | 3P |
| FLC Motor Rating | 3.5, 5A |
| Adjustable Current Range | 3.5 → 5 A |
Key Features
- Effective motor protection through thermal design against overloads.
- Supports 3-phase motors with a 3-pole configuration.
- Features both automatic and manual reset methods for quick recovery.
- Rated for AC voltage up to 690V for versatile industrial use.
- Screw-type terminals ensure secure and easy wiring connections.
- Compact size with dimensions of 87mm length, 45mm width, and 73mm depth.
- IP55 and IP65 ratings provide protection against dust and water ingress.
- Operates reliably between temperatures of -40°C to 70°C.
Product Description
Siemens 3RU2116-1FB0 SIRIUS 3RU2 Thermal Overload Relay offers precise and reliable motor protection for industrial applications. It is designed for three-phase AC motors with a full load current range adjustable from 3.5A to 5A and a power rating of 1.5 kW. This 3-pole relay combines robust build quality with compact dimensions that facilitate installation even in confined panel spaces.
The relay uses a thermal design to detect motor overload conditions, effectively preventing motor damage due to overheating. It supports AC voltages up to 690V, enabling use across a variety of industrial environments. Dual auxiliary contacts configured as 1 Normally Open (NO) and 1 Normally Closed (NC) provide flexible signaling options for monitoring and control systems.
The relay features an automatic and manual reset capability, allowing easy recovery after an overload event to minimize downtime. It is equipped with screw terminals compatible with solid or stranded wires for reliable electrical connections. The device can be directly mounted with no positional restrictions, enhancing installation versatility.
It is rated IP55 and IP65 for protection against dust and water ingress, ensuring durability in harsh industrial conditions. Operating temperatures range from -40°C to 70°C, making it suitable for demanding environments in manufacturing, automation, HVAC, and machinery safety applications.
Effective thermal overload protection for 3-phase AC motors. Adjustable current range from 3.5 to 5 Amperes. Power rating rated at 1.5 kW for motors. Dual auxiliary contacts with 1 NO and 1 NC for control signaling. IP55 and IP65 ingress protection ratings.
Compact design: 87 mm length, 45 mm width, and 73 mm depth. Supports both automatic and manual reset. Screw terminal connections for easy wiring. Wide operating temperature: -40°C to +70°C. Direct mount type with no installation orientation limits.
This Siemens Overload Relay is critical for protecting motors in industrial, automation, manufacturing, HVAC, and commercial machinery use. For a comprehensive range of relays and overload protection devices, please browse related products in the Siemens category at EnvMart.
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Frequently Asked Questions
The adjustable current range for this model is from 3.5A to 5A.
This relay has a power rating of 1.5 kW.
The dimensions of this unit are 87mm in length, 45mm in width, and 73mm in depth.
It is equipped with screw-type terminals for secure and easy wiring connections.
The maximum operating temperature for this model is 70°C.
This relay has an IP rating of IP55 and IP65, providing protection against dust and water ingress.
It supports both automatic and manual reset methods for quick recovery after an overload event.
It features a normal state configuration of 1 Normally Open (NO) and 1 Normally Closed (NC) contact.
This unit is rated for a contact voltage of up to 690V AC.
It is suitable for protecting three-phase AC motors in industrial, automation, manufacturing, HVAC, and commercial machinery applications.
It complies with RoHS, WEEE, REACH, UL, UKCA, IEC, CCC, EAC, and CE standards.
This relay is a direct mount type with no positional restrictions, enhancing installation versatility.
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