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BWTF-DOL Neo – Fully Automatic DOL Starter Module
BWTF-DOL Neo – Fully Automatic DOL Starter Module
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BWTF-DOL Neo – Auto Start DOL Starter with ON Delay
Microcontroller-based control module for fully automatic DOL starter panels. BWTF-DOL Neo monitors the three-phase supply, gives ON delay, provides auto start and offers Auto / Bypass modes with clear LED indications for Faulty Supply, Delay, Motor ON and Power ON.
Image is for illustration only. Actual label & colours may vary.
Product Overview
Simple wiring, powerful protection – perfect for agriculture & industry.
BWTF-DOL Neo is an intelligent control module used in three-phase DOL starter panels. It senses the incoming supply, waits for the set ON delay so voltage can stabilise and then gives a start command to the contactor in AUTO mode.
The module continuously monitors the supply. If the voltage is unhealthy or phases are missing, the Faulty Supply LED glows and the motor remains safely OFF. For testing or special conditions you can use BY-PASS to run the starter without timing logic.
- Fully automatic ON delay and start for DOL starter panels.
- Four LEDs – Power ON, Motor ON, Delay, Faulty Supply.
- Prevents frequent ON/OFF during power flicker.
- Reduces chances of winding burn-out & contactor damage.
- Compact, easy-to-mount enclosure with front terminals.
Key Specifications
Use with properly rated contactor, overload relay & MCB.
| Product Type | Automatic DOL Starter Control Module |
|---|---|
| Model | BWTF-DOL Neo |
| Application | Three-phase motors for pumps, compressors & machinery |
| Operation | ON delay followed by automatic start in AUTO mode; direct starter control in BY-PASS mode |
| ON Delay Range* | Approx. 0.5 to 5.5 minutes (front dial) |
| Indications | Faulty Supply (Red), Delay (Yellow), Motor ON (Green), Power ON (White) |
| Modes | AUTO / BY-PASS via rocker switch |
| Terminals | M1, M2, M3, N, V, S1, S2 – for motor & control wiring |
| Enclosure | Panel-mount housing with front-side terminals |
| Installation | By a qualified electrician or panel technician only |
*Delay range is indicative and may slightly vary from unit to unit.
How BWTF-DOL Neo Works
A clear 4-step sequence for safer motor starting.
When mains is available, the Power ON LED glows. The module checks the three-phase supply and will not start if it detects a faulty supply.
With healthy supply and switch in AUTO, the ON-delay starts. The Delay LED glows while the internal timer counts down.
After the set time, the module energises the starter coil. Motor ON LED glows indicating the motor is running.
For testing or special operation, set the switch to BY-PASS to run the starter without timing logic, like a regular DOL panel.
Salient Features
- Designed specially for fully automatic DOL starter applications.
- Adjustable ON delay helps avoid starting during low voltage.
- LED status makes panel troubleshooting quick and easy.
- Reduces wear and tear of contactor, capacitor and motor.
- Compact design fits easily into new or existing control panels.
Frequently Asked Questions
Upgrade Your DOL Panel with BWTF-DOL Neo
Add smart ON-delay, auto start and supply monitoring to your three-phase starter in one compact module.
