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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3VA9988-0BL30 |
| Alternative Part Number | 3VA99880BL30 |
| Manufacturer | Siemens |
| Product Brand Name | SENTRON |
| Product Designation | Accessories |
| Product Version | Auxiliary release |
| Degree of Pollution | 3 |
| Overvoltage Category | III |
| Apparent Power Consumption | Maximum 30 V·A |
| Consumed Active Power | At DC Maximum 45 W |
| Rated Insulation Voltage (Ui) | 690 V |
| Surge Voltage Resistance | 4 kV |
| Control Supply Voltage (Us) | At AC 24 V 50/60 Hz, At DC 24 - 30 V |
| Mechanical Design | Height: 65.1 mm, Width: 25.7 mm, Depth: 31.2 mm, Net weight: 91 g |
| Number of Slots | 3 |
| Connections According to IEC | Wire stripping length: 10 mm, Connectable conductor cross-section min: 0.5 mm², max: 1.5 mm² |
| AWG Number | Minimum 20, Maximum 16 |
| Tightening Torque | With screw-type terminals: Minimum 0.4 N·m, Maximum 0.5 N·m |
| Connections According to UL | Wire stripping length: 0.4 in, Tightening torque: Minimum 3.5 lbf·in, Maximum 4.4 lbf·in |
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.
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Frequently Asked Questions
What is the function of this accessory?
The Siemens 3VA9988-0BL30 is a shunt trip accessory designed to enable remote tripping of a circuit breaker. It allows the breaker to be tripped electronically from a distant location, enhancing the control and safety features of the electrical system it's integrated with.
Can this shunt trip be used with any circuit breaker?
No, the Siemens 3VA9988-0BL30 is specifically designed for use with Siemens 3VA1, 3VA20, and up to 3VA25 circuit breakers. It is not universally compatible with all circuit breakers.
What voltage does this shunt trip operate at?
The shunt trip operates at a control supply voltage of 24 V AC at 50/60 Hz or a DC voltage range of 24-30 V.
What are the installation requirements for this shunt trip?
The shunt trip requires a mechanical setup with a height of 65.1 mm, a width of 25.7 mm, and a depth of 31.2 mm. It should be installed by a qualified electrician to ensure proper and safe operation.
What is the power consumption of this shunt trip?
The apparent power consumption is a maximum of 30 VA, and the consumed active power at DC is a maximum of 45 W.
How is the shunt trip connected to the circuit breaker?
The shunt trip is connected to the circuit breaker through screw-type terminals, with a recommended tightening torque of 0.4 N·m and a maximum of 0.5 N·m.
What is the degree of pollution for this shunt trip?
The shunt trip has a degree of pollution rating of 3, which indicates that it is designed to operate in environments where conductive pollution or dry non-conductive pollution occurs and becomes conductive due to condensation.
What is the overvoltage category for this accessory?
The Siemens 3VA9988-0BL30 has an overvoltage category of III, which means it is suitable for use in equipment in fixed installations and similar applications.
What certifications does this shunt trip hold?
The shunt trip accessory holds an EMC Declaration of Conformity, indicating it meets the electromagnetic compatibility requirements for the EU market.
What is the surge voltage resistance of this shunt trip?
The shunt trip has a surge voltage resistance of 4 kV, which helps protect the circuitry from voltage spikes.
