The Siemens 3WT9851-1JK00 SENTRON Shunt Release or Closing Coil is a genuine Siemens accessory designed specifically for SENTRON 3WT8 Air Circuit Breakers (ACBs). Engineered for continuous operation, this high-performance accessory provides reliable remote tripping and breaker closing functionality, helping enhance operational safety, automation capability, and control flexibility in low-voltage power distribution systems. It is rated for 220–240V AC (50/60Hz) and 220–250V DC control voltages.
Available at SB Smart (sbsmart.in), the Siemens 3WT9851-1JK00 is widely used in industrial switchboards, power distribution panels, utility installations, infrastructure projects, manufacturing facilities, and critical electrical networks where remote breaker operation and system protection are essential.
As part of the trusted Siemens SENTRON 3WT8 breaker accessory range, the 3WT9851-1JK00 Shunt Release or Closing Coil delivers dependable performance, long operational life, and seamless integration with Siemens air circuit breaker systems. Designed to meet modern industrial requirements, it enables efficient breaker operation while supporting advanced electrical protection and automation strategies.
Industrial power systems demand accessories that can operate reliably under continuous service conditions. The Siemens 3WT9851-1JK00 is specifically designed for continuous-duty operation and provides consistent performance throughout its service life. Siemens engineers have developed this accessory to withstand frequent switching operations while maintaining dependable functionality.
Its rugged construction helps ensure long-term reliability in demanding industrial environments. Whether used for remote breaker closing or shunt tripping applications, the 3WT9851-1JK00 supports critical power distribution systems by enabling precise control of breaker operation.
The accessory contributes to improved system safety by allowing breakers to be operated remotely, reducing manual intervention and helping protect personnel from potential electrical hazards.
The Siemens 3WT9851-1JK00 is designed exclusively for compatibility with SENTRON 3WT8 Air Circuit Breakers. It functions as a shunt release for auxiliary release (F1 + F2) and as a closing solenoid (Y), making it a versatile solution for modern switchgear applications.
By integrating the 3WT9851-1JK00 Shunt Release or Closing Coil, users gain:
These benefits make it an important accessory for mission-critical electrical installations where safe and efficient breaker operation is essential.
The Siemens 3WT9851-1JK00 Shunt Release or Closing Coil is ideal for:
At SB Smart, we supply genuine Siemens electrical and industrial automation products sourced through trusted channels. The Siemens 3WT9851-1JK00 Shunt Release or Closing Coil delivers dependable breaker control, seamless compatibility with SENTRON 3WT8 breakers, and the long-term reliability expected from Siemens technology.
Whether you are upgrading a power distribution system, maintaining an industrial switchboard, or designing a new low-voltage installation, the 3WT9851-1JK00 provides the performance, safety, and reliability required for critical electrical applications.
| Specification | Details |
|---|---|
| Product Name | Shunt Release or Closing Coil |
| Manufacturer | Siemens |
| Brand Series | SENTRON |
| Model Number | 3WT9851-1JK00 |
| Product Type | ACB Accessory |
| Function | Shunt Release & Closing Coil |
| Suitable For | Siemens 3WT8 Air Circuit Breakers |
| Auxiliary Release Function | F1 + F2 |
| Closing Solenoid Function | Y |
| Rated AC Control Voltage | 220–240V AC |
| Rated DC Control Voltage | 220–250V DC |
| Frequency | 50/60Hz |
| Operation Type | Continuous Duty |
| Application | Remote Tripping & Remote Closing |
| Mounting Type | Breaker Accessory Mounting |
| Industrial Application | Yes |
| Product Category | Air Circuit Breaker Accessory |
| Brand | Siemens |
| Condition | New & Genuine Product |
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