Description
The Siemens 3VL9800-1UP00 undervoltage release is an internal accessory designed to trip molded case circuit breakers when supply voltage drops below a safe threshold. Operating at 24V DC, it ensures reliable automatic disconnection in low-voltage control systems. This unit is specifically engineered for Siemens VL series breakers, providing dependable protection and integration.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Circuit Breaker Accessories |
| Part Number |
3VL9800-1UP00 |
| Subcategory |
Undervoltage Releases |
| Series |
VL |
| Frame Compatibility |
3VL5–3VL8 |
| Compatible Models |
VL630, VL800, VL1250, VL1600 |
| Rated Control Voltage |
24V DC |
| Mounting Position |
Right side |
| Accessory Type |
Internal accessory |
| Material |
Composite |
| Standard |
IEC |
| Height |
2.2 in |
| Length |
4.3 in |
| Width |
1.5 in |
| Weight |
0.255 lb |
Information About 3VL9800-1UP00
The 3VL9800-1UP00 is part of Siemens’ VL series accessory lineup, developed for use with 3VL5 through 3VL8 frame molded case circuit breakers. It is constructed as an internal accessory made from durable composite materials, ensuring long-term reliability in demanding environments. Designed for right-side installation, it integrates directly into the breaker housing for streamlined configuration. This undervoltage release is widely used in industrial and commercial power distribution systems where consistent voltage monitoring and automatic tripping are required.
Key Features:
- Undervoltage Protection: Automatically trips the breaker when control voltage drops below safe limits
- 24V DC Operation: Designed for low-voltage DC control applications
- VL Series Compatibility: Suitable for Siemens VL630, VL800, VL1250, and VL1600 breakers
- Internal Accessory Design: Installs within the breaker for compact and secure integration
- Right-Side Mounting: Configured for installation on the right side of the breaker unit
- Durable Composite Construction: Ensures mechanical strength and long service life
- IEC Standard Compliance: Meets international standards for electrical components
- Broad Frame Support: Compatible with 3VL5 to 3VL8 frame sizes
The 3VL9800-1UP00 delivers the reliability and precision required for voltage monitoring and protection in molded case circuit breaker systems.
