Overview
The Siemens 3VU9135-1AB03 is a modular three-phase busbar system component engineered for industrial power distribution. Rated at 65A/600VAC, this busbar connects and distributes three-phase power to up to three MPCB (Modular Protective Circuit Breaker) units in a compact, standardized configuration. As part of the proven 3VU13 busbar series, this unit integrates seamlessly with Siemens’ modular protection ecosystem.
Key Features
- Three-phase power distribution system for industrial switchgear
- 65A continuous current rating at 600VAC
- Supports up to 3 MPCB connections
- Compact modular design fits standard DIN rail enclosures
- Proven 3VU13 series reliability and compatibility
- Used, fully functional condition with ready availability
Technical Specifications
- Part Number: 3VU9135-1AB03
- Manufacturer: Siemens
- Type: Three-Phase Busbar
- Current Rating: 65A
- Voltage Rating: 600VAC
- Number of MPCB Positions: 3
- Series: 3VU13
- Condition: Used – Fully Functional
Typical Applications
The 3VU9135-1AB03 busbar is commonly deployed in:
- Industrial motor control centers and switchgear panels
- Multi-branch circuit protection systems
- Machinery control cabinets requiring modular MPCB protection
- OEM equipment retrofits and upgrades
- Maintenance/repair of existing 3VU13 installations
Compatibility & Replacements
The 3VU9135-1AB03 operates within the Siemens 3VU13 modular protection family. Replacement variants include the 3VU9135-1AB02 (2-MPCB) and 3VU9135-1AB04 (4-MPCB) configurations. Original equipment connections are designed for Siemens 3VU13 and 3VU16 series modular protective circuit breakers. Verify mounting and conductor sizing before substitution. Drop-in replacement suitable for exact part number match in established systems.
