BMT-55 Mechanical Timer vs. BCT2S Digital Countdown Timer – Choosing the Right Isgus Replacement
When replacing an Isgus mechanical timer, two proven solutions are available from
Bolec Electronics: the BMT-55 Mechanical Timer
and the BCT2S Digital Countdown Timer Conversion Kit.
Both offer reliable timing control, but which is best for your application? Let’s compare.
✅ Why Choose the BMT-55 Mechanical Timer?
The BMT-55 is a direct replacement for Isgus KS55 timers. It uses a simple, mechanical wind-up
design – no electronics, no power supply required. Perfect for applications where reliability and simplicity matter.
- Fully mechanical wind-up operation
- Same mounting footprint as Isgus KS55
- Rated for 250 VAC / 16(4)A
- Durable – 10,000 electrical operations
- Wide operating temperature: –10 °C to +125 °C
Available Timing Options
- BMT-55 4-Hour Timer – In stock
- BMT-55 6-Hour Timer – Order only (approx. 2 weeks lead time)
- BMT-55 12-Hour Timer – In stock
- BMT-55 15-Minute Timer – Order only (approx. 2 weeks lead time)
⚡ When to Upgrade to the BCT2S Digital Countdown Timer
If you need to control equipment for more than 12 hours or require precise digital scheduling,
the BCT2S Conversion Kit is the recommended solution.
Unlike a mechanical timer, the BCT2S offers digital accuracy, programmable countdowns, and extended timing
options up to 24 hours or longer. It is also designed to replace Isgus units, making upgrades straightforward.
📊 Comparison Table: Mechanical vs. Digital
| Feature | BMT-55 Mechanical Timer | BCT2S Digital Countdown Timer |
|---|---|---|
| Timing Range | 15 min, 4h, 6h, 12h | Up to 24h (programmable) |
| Operation | Wind-up mechanical | Digital electronic |
| Power Supply | Not required | 240V AC |
| Best For | Simple, rugged, short-to-mid timing | Precise, long-duration, programmable control |
🔧 Which Timer Should You Choose?
Choose BMT-55 if you need a straightforward, mechanical timer with ranges up to 12 hours.
For short and medium cycles, it’s reliable, simple, and always ready.
Choose BCT2S if your application requires extended duration, digital accuracy, or
programmable flexibility beyond 12 hours.
📩 Contact Bolec Electronics
Whether you need BMT-55 Mechanical Timers
or the BCT2S Digital Kit,
our team is ready to help. For orders and technical enquiries, contact
sales@bolec.com.au.