The Siemens 3VA9988-0BL30 is a meticulously engineered shunt trip accessory designed to enhance the functionality of the 3VA1 and 3VA20 up to 3VA25 circuit breakers. This component is essential for remote tripping applications, allowing the circuit breaker to be tripped electrically from a distant location. It operates effectively with a control supply voltage of 24 V AC at 50/60 Hz or a DC range of 24-30 V, ensuring compatibility with a variety of control systems.
Crafted with precision, the shunt trip accessory boasts a compact design with dimensions that ensure it does not occupy excessive space within electrical setups. Its height and width are 65.1 mm and 25.7 mm respectively, with a depth of 31.2 mm, making it a sleek addition to your circuit protection system. The unit's net weight is a mere 91 g, which contributes to its ease of installation and handling.
The 3VA9988-0BL30 is built to withstand challenging industrial environments, with a rated insulation voltage of 690 V and a surge voltage resistance of 4 kV. It is classified under overvoltage category III and has a degree of pollution rating of 3, indicating its robustness and reliability in various conditions.
Installation is made straightforward with clear specifications for wire stripping length and tightening torque, ensuring secure and reliable connections. The unit is designed to accommodate a range of conductor sizes, making it versatile for different wiring requirements.
In summary, the Siemens 3VA9988-0BL30 shunt trip accessory is an indispensable component for enhancing circuit breaker functionality, offering reliable performance, ease of installation, and compatibility with a range of control voltages. It is an ideal choice for those seeking to maintain a high standard of electrical safety and control in their industrial or commercial applications.