The HZ5D series combination switch is a multi-purpose rotary switch designed for AC or DC circuits. It’s used for: Motor control: start, stop, forward/reverse, and speed change under load, Power switching: turning equipment on/off, Circuit conversion: changing control logic in machine tools or panels.
Electrical Ratings
- Rated insulation voltage (Ui): 660V (Maximum Safe Insulation Voltage)
- Conventional heating current (Ith): 20A (Maximum continuous current)
- Rated operating voltage (Ue): 380V (AC) (Normal use voltage)
- Rated operating current (Ie): 20A (Current under normal use)
- Rated motor power (P): 4 kW @ 380 V AC (For three-phase motors)
- DC voltage rating: 220 V DC (For DC circuits (up to 60 A depending on model))
- Frequency: 50 Hz (Standard AC frequency)
Positioning and Type Codes:
- L03: Indicates Three-pole switch, 2-position (ON/OFF) type
- L: Handle rotation 0°–60° range
- M: Handle rotation 60°–0°–60° range (used for forward/stop/reverse)
Mechanical Features
- Poles: 3 (three-pole switch)
- Positions: 2 (ON / OFF)
- Mounting: Panel-mount rotary selector with detachable handle
- Use case: Ideal for main disconnect, small motor control, or manual transfer
Typical Applications
- Power inlet or main switch for control panels
- Manual motor start/stop (up to 4 kW motor)
- Forward/reverse switch for small three-phase machines
- Machine tool circuit selection
