Overview
The Klockner Moeller PKZM3-25-U-NA is a robust 3-phase manual motor starter designed for industrial automation and general-purpose motor control applications. With a 25 Amp capacity and a range of 200-575 VAC, it can handle motors ranging from 2 to 7.5 HP, and with included start and stop buttons, operation is made simple and efficient. Moeller, based in Bonn Germany, is now a wholly owned division of Eaton Corporation, with a broad range of IEC motor control, low voltage devices and systems.
Key Features
- 3-phase manual control with integrated start/stop push buttons
- 25 Amp rating across 200-575 VAC supply range
- Suitable for motors from 2 to 7.5 HP
- IEC-standard motor control design
- Compact, DIN-rail mountable enclosure
- Reliable manual switching for critical applications
Technical Specifications
This unit features industrial-grade construction typical of Moeller PKZ-series starters, with thermal overload protection and short-circuit capability. The manual switch design eliminates dependency on auxiliary control power, making it ideal for standalone motor control or backup circuits.
Typical Applications
- General-purpose industrial motors and pumps
- Compressors and small fans up to 7.5 HP
- Machine tool drive systems
- Mining, pulp & paper, and food processing equipment
- Marine and offshore installations
- Backup motor control when automatic starters are offline
Compatibility & Replacements
Compatible With
- 3-phase AC induction motors rated 2–7.5 HP
- 200V, 240V, 380V, 415V, 460V, 575V three-phase supplies
- Standard industrial 40A circuit protection
- IEC 60947 motor-starting standards
Replaces / Drop-In Replacement For
- Moeller PKZM3-25-NA (non-‘U’ variant)
- Other 25A manual starters with matching footprint and terminal configuration
- Legacy Klockner starter models in the 25A class
Works With
- Standard 3-phase distribution boards and switchgear
- Thermal overload relay protection devices
- Soft-starter bypass circuits
- PLC auxiliary circuits requiring manual override
