The Siemens 3WT9853-1JH00 Under Voltage Release Instantaneous is a genuine SENTRON 3WT8 Air Circuit Breaker (ACB) accessory designed to provide dependable under-voltage protection in industrial, commercial, and infrastructure electrical systems. Engineered specifically for Siemens 3WT8 Air Circuit Breakers, the 3WT9853-1JH00 ensures immediate breaker tripping whenever the control voltage drops below the permissible operating level, helping protect personnel, electrical equipment, and power distribution networks from unsafe operating conditions.
Available at SB Smart (sbsmart.in), the Siemens 3WT9853-1JH00 is widely used in power distribution panels, industrial switchboards, manufacturing facilities, utilities, and mission-critical electrical installations where continuous protection and operational safety are essential.
The 3WT9853-1JH00 Under Voltage Release is configured as an F3 instantaneous under-voltage release, operating with a rated control supply voltage of 110–127V AC (50/60Hz) and 110–125V DC. This ensures rapid response to voltage failures while enhancing overall system safety and reliability.
Modern power systems require protection accessories that can respond instantly to abnormal voltage conditions. The Siemens 3WT9853-1JH00 is designed to automatically trip the connected air circuit breaker whenever control voltage falls below the required operating threshold, preventing unsafe system conditions and unintended equipment operation.
Manufactured according to Siemens' stringent quality standards, the 3WT9853-1JH00 Under Voltage Release Instantaneous delivers reliable performance, extended operational life, and low maintenance requirements. Its robust design ensures dependable operation even in demanding industrial environments where electrical systems are subjected to continuous operation and fluctuating load conditions.
The accessory contributes significantly to electrical safety by preventing breaker closure during inadequate voltage conditions and ensuring automatic disconnection during control power loss.
The Siemens 3WT9853-1JH00 is specifically developed for seamless integration with SENTRON 3WT8 Air Circuit Breakers, ensuring reliable compatibility and efficient operation within Siemens low-voltage switchgear systems.
By integrating the 3WT9853-1JH00 Under Voltage Release into a power distribution system, users gain:
These advantages make the 3WT9853-1JH00 an essential protection accessory for critical electrical installations.
The Siemens 3WT9853-1JH00 Under Voltage Release Instantaneous is ideal for:
At SB Smart, we provide genuine Siemens industrial automation and electrical products sourced through trusted supply channels. The Siemens 3WT9853-1JH00 Under Voltage Release Instantaneous offers dependable under-voltage protection, seamless compatibility with SENTRON 3WT8 breakers, and the long-term reliability expected from Siemens products.
Whether you are maintaining an existing power distribution network, upgrading switchgear systems, or designing a new electrical installation, the 3WT9853-1JH00 delivers the safety, performance, and reliability required for mission-critical applications.
| Specification | Details |
|---|---|
| Product Name | Under Voltage Release Instantaneous |
| Manufacturer | Siemens |
| Brand Series | SENTRON |
| Model Number | 3WT9853-1JH00 |
| Product Type | Under Voltage Release (UVR) |
| Accessory Designation | F3 Under Voltage Release |
| Compatible Breaker Series | Siemens 3WT8 Air Circuit Breakers |
| Rated AC Control Voltage | 110–127V AC |
| Rated DC Control Voltage | 110–125V DC |
| Frequency | 50/60Hz |
| Operating Function | Instantaneous Tripping |
| Application | Under Voltage Protection |
| Mounting Type | Breaker Accessory Mounting |
| Product Category | ACB Accessory |
| Net Weight | Approx. 0.8 kg |
| Industrial Application | Yes |
| Safety Function | Automatic Breaker Trip on Voltage Loss |
| Brand | Siemens |
| Condition | New & Genuine Product |
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