Siemens SENTRON 3VA – Accessories – 3VA9988-0AA12
The Siemens 3VA9988-0AA12 is an auxiliary switch changeover contact accessory designed for SENTRON 3VA molded case circuit breakers (MCCBs). This compact Type HQ auxiliary contact provides reliable remote signaling and status indication of MCCB switching positions, making it ideal for industrial automation, control panels, motor control centers, and power distribution systems.
The accessory is compatible with Siemens 3VA1 and 3VA20–3VA26 circuit breakers and features a slim 7 mm design for easy installation inside the MCCB accessory compartment. It delivers dependable electrical signaling performance for monitoring breaker ON/OFF status in industrial and commercial applications.
Key Features:
• Original Siemens SENTRON 3VA accessory
• Auxiliary switch changeover contact
• Type HQ compact 7 mm design
• Provides remote ON/OFF status indication
• Compatible with 3VA1 and 3VA20–3VA26 MCCBs
• Reliable industrial signaling performance
• Easy internal MCCB mounting
• Screw terminal connection
• High mechanical and electrical durability
• Suitable for automation and monitoring systems
• IEC compliant accessory design
Technical Specifications
|
Parameter |
Specification |
|
Product Model |
3VA9988-0AA12 |
|
Brand |
Siemens |
|
Product Series |
SENTRON 3VA |
|
Product Type |
Auxiliary Switch |
|
Accessory Type |
Changeover Contact |
|
Switch Type |
Type HQ |
|
Width |
7 mm |
|
Contact Configuration |
1CO (1 Changeover Contact) |
|
Rated Operational Voltage AC |
240 V AC |
|
Rated Operational Voltage DC |
250 V DC |
|
Thermal Current (Ith) |
6 A |
|
Rated Insulation Voltage (Ui) |
690 V |
|
Surge Voltage Resistance |
4 kV |
|
Compatible MCCB Series |
3VA1, 3VA20–3VA26 |
|
Mounting Type |
Internal MCCB Mounting |
|
Connection Type |
Screw Terminal |
|
Protection Category |
Industrial Accessory |
|
Pollution Degree |
3 |
|
Overvoltage Category |
III |
|
Net Weight |
Approx. 0.028 kg |
|
Standards & Approvals |
IEC, CE, RoHS |
|
Product Lifecycle |
Active Product |
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