3RV2021-1HA15
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Overview of Siemens 3RV2021-1HA15
Buy genuine Siemens 3RV2021-1HA15 online today for your automation system. This industrial motor starter protector is designed for reliable overload and short circuit protection in motor control applications. The Siemens 3RV2021-1HA15 replaces the older 3RV1021-1HA15 and offers a compact, UL-approved solution for Type E protection. With an adjustable current range from 5.5 to 8 amps, Class 10 tripping characteristics, and a front-mounted auxiliary contact, this device delivers robust motor protection in a single DIN rail-mountable unit. It’s ideal for engineers and maintenance professionals seeking a factory-grade solution for motor disconnect, overload, and short circuit protection in industrial environments. The 3RV2021-1HA15 is widely used in automation panels and control systems, providing visible trip indication and easy installation.
Key Features of Siemens 3RV2021-1HA15
- Adjustable current range: 5.5 to 8 amps for flexible motor protection
- Class 10 overload trip characteristics for fast response
- Front-mounted 2-pole auxiliary contact (1 N.O., 1 N.C.) included
- Phase loss sensitive for enhanced safety
- DIN rail mounting for easy installation and removal
- UL approved for Type E self-protected combination motor controller applications
- Rotary ON/OFF handle with lockout and visible trip indication
- Short circuit protection with magnetic trip elements
- Screw terminals for secure wiring connections
- Compatible with Siemens 3RT2 contactors for full motor protection setups
Technical Specs of 3RV2021-1HA15
Explore Siemens 3RV2021-1HA15 technical data for detailed parameters before installation.
| Parameter | Value |
|---|---|
| Current Range | 5.5 to 8 A |
| Overload Trip Class | Class 10 |
| Short Circuit Trip | 104 A |
| Mounting | DIN Rail |
| Frame Size | S0 |
| Terminal Type | Screw |
| Phase Loss Sensitive | Yes |
| Auxiliary Contact | Front mount, 1 N.O./1 N.C. |
Applications / Use Case
This Siemens 3RV2021-1HA15 is commonly used in industrial automation worldwide. It’s ideal for factory control panels, machine automation, and production line systems where reliable motor protection is critical. The device is suitable for both single and three-phase motor applications, offering overload, short circuit, and disconnect functions in one compact unit. Engineers and maintenance teams rely on the 3RV2021-1HA15 for its robust design and ease of integration into new or existing automation systems.
Price & Availability
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