Siemens SENTRON 3VA – Accessories – 3VA9988-0BL33
The Siemens 3VA9988-0BL33 is a shunt trip (auxiliary release) accessory designed for SENTRON 3VA molded case circuit breakers (MCCB). It enables remote tripping of the circuit breaker by applying a control voltage, allowing safe and immediate disconnection of power in automation and protection systems.
This accessory is commonly used in emergency shutdown (E-Stop) systems, fire alarm interfacing, industrial automation panels, and remote safety interlocking circuits, where electrical tripping of the MCCB is required from a control signal.
It is compatible with 3VA1 and 3VA20–3VA26 MCCB frames, and is designed for reliable operation in industrial environments with stable switching performance.
Key Features:
• Shunt trip / auxiliary release for Siemens SENTRON 3VA MCCB
• Enables remote electrical tripping of breaker
• Control voltage: 208–277 V AC, 50/60 Hz
• Suitable for safety and emergency shutdown systems
• Internal plug-in accessory design for easy installation
• High reliability industrial-grade construction
• Compatible with 3VA1 and 3VA20–3VA26 series
• Fast and precise tripping operation
• Designed for automation and protection integration
Technical Specifications
|
Parameter |
Specification |
|
Product Model |
3VA9988-0BL33 |
|
Brand |
Siemens |
|
Series |
SENTRON 3VA |
|
Type |
Shunt Trip / Auxiliary Release |
|
Function |
Remote tripping of MCCB |
|
Control Voltage |
208–277 V AC |
|
Frequency |
50/60 Hz |
|
Application |
Emergency / safety tripping |
|
Mounting Type |
Internal MCCB plug-in accessory |
|
Compatible Series |
3VA1, 3VA20–3VA26 |
|
Connection Type |
Screw terminal |
|
Insulation Voltage |
690 V |
|
Standards |
IEC 60947-5-1 |
|
Operating Temperature |
Industrial standard range |
|
Product Status |
Active |
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