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Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 10A, 7 A F.L.C, 10A Contact Rating, 7.5 kW 3RU2126-1JB0
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Length | 87mm |
| Model | 3RU2126-1JB0 |
| Depth | 73mm |
| IP Rating | IP20 |
| Width | 45mm |
| Mount Type | Direct |
| Series | SIRIUS 3RU2 |
| Power Rating | 7.5kW |
| Maximum Operating Temperature | 70°C |
| Minimum Operating Temperature | -40°C |
| Terminal type | Screw |
| Contact Voltage | 690V ac |
| Reset Method | Automatic & Manual |
| Normal State Configuration | 1 NO/1 NC |
| Relay Contact Current | 10A |
| Number of Auxiliary Contacts | 2 |
| Pole and Throw Configuration | 3 |
| FLC Motor Rating | 10, 7A |
| Adjustable Current Range | 7 → 10 A |
Key Features
- Equipped with 10A relay contact current ensuring robust switching capacity.
- Designed for use with Sirius Size S0 & S00 contactors.
- Features automatic and manual reset methods for operational flexibility.
- Compact dimensions with 45mm width, 87mm length, and 73mm depth for easy mounting.
- Operational temperature range from -40°C to 70°C for varied environments.
- High impulse voltage resistance of 6 kV ensures durability.
- Complies with multiple international standards including UL, IEC, CE, CSA, and CCC.
- German-made quality guarantees reliability and precision.
Product Description
Siemens 3RU2126-1JB0 Thermal Overload Relay is engineered for precise current-sensitive protection in industrial and electrical automation applications. This relay is built to safeguard motors and loads with a 7 to 10 Amp adjustable current range and a relay contact rating of 10A, handling power ratings up to 7.5 kW with a 3-pole configuration.
Its 1 NO/1 NC contact design, combined with screw terminal connections and both automatic and manual reset methods, provides reliable operation and ease of maintenance. The relay features a clear switch position indicator and test function, facilitating effective monitoring and troubleshooting.
Compact with dimensions of 45mm width, 87mm length, and 73mm depth, it fits direct mounting setups and DIN-rail installations. It operates reliably between -40°C and 70°C while withstanding impulse voltages of 6 kV, rated at 690V AC contact voltage, ensuring robust endurance in demanding environments.
The Siemens 3RU2 series relay incorporates IEC and UL-approved safety standards including IEC 81346-2, IEC 65029, IEC 61508, EAC, CSA, CE, and CCC certifications. Manufactured in Germany, it ensures premium quality and compliance for industrial, manufacturing, and automation control systems.
Equipped with 10A relay contact current ensuring robust switching capacity. Designed for use with Sirius Size S0 & S00 contactors. Features automatic and manual reset methods for operational flexibility. Compact dimensions with 45mm width, 87mm length, and 73mm depth for easy mounting.
Operational temperature range from -40°C to 70°C for varied environments. High impulse voltage resistance of 6 kV ensures durability. Complies with multiple international standards including UL, IEC, CE, CSA, and CCC. German-made quality guarantees reliability and precision.
This Thermal Overload Relay is ideal for protecting motor circuits in industrial automation, manufacturing plants, HVAC systems, and other commercial electrical control applications. Its versatile reset options and sturdy design help maintain system uptime and equipment longevity.
Explore the wide range of Siemens control gear products available at EnvMart for advanced industrial automation solutions.
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Frequently Asked Questions
This model has a relay contact current rating of 10A and an adjustable current range of 7 to 10A for effective motor protection.
The operational temperature range for this relay is from -40°C to 70°C, making it suitable for various environmental conditions.
This thermal overload relay has compact dimensions of 45mm in width, 87mm in length, and 73mm in depth, facilitating easy mounting.
It features a 1 NO/1 NC contact configuration, providing flexibility in circuit design and operation.
The Siemens SIRIUS 3RU2126-1JB0 can handle power ratings up to 7.5 kW, suitable for various industrial applications.
The relay offers both automatic and manual reset methods, allowing for operational flexibility depending on the application needs.
The contact voltage rating for this model is 690V AC, ensuring compatibility with standard industrial electrical systems.
It has a high impulse voltage resistance of 6 kV, which contributes to its durability in demanding environments.
This unit supports direct mounting and is also compatible with DIN-rail installations, providing versatility in setup.
It complies with multiple international standards including UL, IEC, CE, CSA, and CCC, ensuring its reliability and safety in various applications.
This thermal overload relay is manufactured in Germany, reflecting high-quality engineering standards.
The relay includes 2 auxiliary contacts, enhancing its functionality for monitoring and control purposes.
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