BMT-55 12-Hour Mechanical Timer
Simple, reliable mechanical timing with no power supply or programming required
The BMT-55 is a dependable 12-hour wind-up mechanical timer
commonly used as an alternative to the ISGUS ISG12 / MO12.
Turn the dial to the required time. The timer counts down mechanically,
returns to zero and switches at the end of the selected period.
Why customers choose it
- No external power required
- No programming
- Works through power outages
- Simple dial operation
Common Applications
Irrigation
Pumps, bore systems and valves
Pumps, bore systems and valves
Control Panels
General timed control
General timed control
Automation
Industrial equipment
Industrial equipment
Cable Machinery
Vulcanising equipment
Vulcanising equipment
Key Specifications
| Timing range | 0–12 hours |
| Switch configuration | DPST |
| Rated voltage | 250 VAC |
| Rated current | 16 A resistive / 4 A inductive |
| Electrical life | 10,000 operations |
| Terminals | 6.3 × 0.8 mm tabs |
Dimensions & Mounting
| Front diameter | Ø75.5 mm |
| Body depth | Approx. 30 mm |
| Front plate thickness | Approx. 6.5 mm |
| Spindle length | 22.5 mm |
| Mounting holes | 3 × Ø3.2 mm |
| Temperature range | −30°C to +125°C |
Wiring Diagram
Simple mechanical operation
- Turn the dial clockwise to the required time.
- The timer counts down mechanically.
- At zero, the contacts switch automatically.
The timer mechanism continues counting without electrical power.
The connected equipment still requires its normal operating power.
Shipping Times
- Orders before 1:00 PM Melbourne time usually ship the same business day.
- Later orders ship the next business day.
