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Siemens SIRIUS 3RU2 Thermal Overload Relay Direct Mount 3 Pole 3A Contact Rating 18.5 kW Power 3RU2126-4PB0
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Length | 45mm |
| Model | 3RU2126-4PB0 |
| Depth | 94.6mm |
| IP Rating | IP20 |
| Width | 46.7mm |
| Mount Type | Direct |
| Series | SIRIUS 3RU2 |
| Power Rating | 18.5kW |
| Maximum Operating Temperature | 70°C |
| Minimum Operating Temperature | -40°C |
| Reliability | the terminal connection is resistant to shock and vibration |
| Terminal type | Screw |
| Contact Voltage | 220, 400V dc |
| Reset Method | Automatic & Manual |
| Normal State Configuration | 1 NO/1 NC |
| Relay Contact Current | 3A |
| Number of Auxiliary Contacts | 2 |
| Pole and Throw Configuration | 3 |
| Adjustable Current Range | 30 → 36 A |
| Time saving | the connection can be made quickly without having to press on end sleeves |
| Reduced maintenance | the cage clamp system means that the checking of screw connections following transportation is unnecessary |
Key Features
- Designed for direct mounting with 3 poles and a 1 NO/1 NC auxiliary contact configuration.
- Features an adjustable current range from 30 to 36 A for flexible operation.
- Equipped with both automatic and manual reset methods for user convenience.
- Constructed with screw terminal types ensuring secure and reliable electrical connections.
- Operates efficiently within a temperature range of -40°C to 70°C with an IP20 protection rating.
- Compact dimensions of 46.7 mm width, 45 mm length, and 94.6 mm depth for panel integration.
- Complies with multiple international safety and quality standards including IEC, UL, CE, CSA, CCC, and EAC.
- Uses Siemens SIRIUS Cage Clamp Technology for corrosion-resistant and vibration-proof terminations.
Product Description
Siemens 3RU2126-4PB0 SIRIUS 3RU2 Thermal Overload Relay is engineered for reliable protection of electric motors against overload faults. With a contact current rating of 3A and power rating of 18.5 kW, this direct mount 3-pole relay is ideal for industrial and automation control systems.
Its adjustable current range from 30 to 36 A offers flexibility in various motor control applications. The relay supports both automatic and manual reset methods, allowing operators to quickly restore motor operation after an overload event.
Constructed with screw terminals for secure wiring and protected by an IP20 rated enclosure, it operates safely within a wide temperature range from -40°C to 70°C. The compact footprint with precise dimensions (Width 46.7 mm, Length 45 mm, Depth 94.6 mm) permits ease of integration into control panels.
This relay complies with stringent international standards such as IEC 60068-2-27, IEC 61508, IEC 65029, IEC 81346-2, UL, CE, CSA, CCC, and EAC approvals, ensuring outstanding safety and durability.
Siemens SIRIUS Cage Clamp Technology enhances connection reliability by allowing quick, corrosion-resistant, and vibration-proof secure wiring without pressing on end sleeves, reducing maintenance and transportation checks.
Designed for quick and tool-less conductor connections using cage clamp terminal technology. Highly shock and vibration resistant ensuring consistent operational reliability. Ideal for use in industrial motors, manufacturing plants, HVAC systems, and other electrical automation applications.
This product originates from Germany and is supplied in new condition, offering trusted Siemens engineering quality. Explore more quality overload relays and control gear in the Siemens SIRIUS automation range at EnvMart for your industrial and control panel needs.
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Frequently Asked Questions
The power rating of this thermal overload relay is 18.5 kW.
It features an adjustable current range from 30 to 36 A.
The dimensions are 46.7 mm in width, 45 mm in length, and 94.6 mm in depth.
This unit is designed for direct mounting.
It has an IP20 protection rating.
It operates efficiently within a temperature range of -40°C to 70°C.
It supports both automatic and manual reset methods for convenience.
This relay features a 3-pole configuration.
It is constructed with screw terminals for secure wiring.
It includes a 1 NO/1 NC auxiliary contact configuration.
It complies with multiple standards including IEC, UL, CE, CSA, CCC, and EAC.
It utilizes Siemens SIRIUS Cage Clamp Technology for quick and reliable connections.
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