ZT19 42V BLDC Speed Control Switch for Cordless Brushless Power Tools
Built for Modern Battery Powered Tools
ZT19 multi-voltage BLDC brushless motor switch supports DC 24V, 36V, 40V and 42V battery platforms. Suitable for professional cordless tools across multiple voltage systems used by global power tool brands.
Brushless Motor Control
Precise electronic commutation for brushless DC motors. Higher efficiency and longer motor life.
Stepless Speed Regulation
Smooth PWM-based speed control with wide adjustment range.
Soft Start Function
Gradual motor acceleration reduces mechanical shock and extends gear life.
Forward/Reverse & Brake
Complete motor control in one module. Bi-directional operation with electronic braking.
ZT19 Specifications
ZT19 at a Glance
ZT19 Professional BLDC Electronic Speed Control Switch Solution
DKLD ZT19 is a high-performance brushless DC speed control switch designed for cordless power tools and battery-powered equipment.
The switch integrates:
Mechanical main contact structure
Variable electronic speed control
Dust protection design
Custom trigger solution
Providing a reliable control solution for global brushless power tool manufacturers.
With support for DC42V and DC24V platforms, ZT19 meets different cordless tool application requirements.
Main Functions
✔ Mechanical Main Contact
✔ Stepless Speed Control
✔ Step Speed Control
✔ Dust Protection Design
✔ DC24V / DC42V Application
✔ Custom Trigger Available
Dimensions & Electrical Circuit Diagram
ZT19 multi-voltage BLDC brushless motor switch supports DC 24V, 36V, 40V and 42V battery platforms. Suitable for professional cordless tools across multiple voltage systems used by global power tool brands.
Multi-Voltage BLDC Switch Applications
ZT19 multi-voltage BLDC brushless motor switch supports DC 24V, 36V, 40V and 42V battery platforms. Suitable for professional cordless tools across multiple voltage systems used by global power tool brands.
24V Cordless Tools
Multi-voltage BLDC switch compatible with 24V brushless motor platforms. Variable speed control for drills and drivers.
36V Power Tools
High-performance switch for 36V cordless power tools. Stepless speed regulation with electronic reversing.
40V Professional Tools
Switch rated for 40V professional-grade brushless tools. Reliable performance across voltage ranges.
42V Battery Equipment
Compatible with 42V maximum battery systems. Electronic speed control for battery-powered equipment.
Multi-Voltage Drill
Flexible multi-voltage switch for drill platforms supporting 24V to 42V battery systems.
OEM Battery Platform
Customizable switch for OEM battery platforms. Dongke supports structure, wiring and electrical specification customization.
Built for Global OEM Standards
Dongke Electric products are manufactured in our ISO 9001:2015 facility with UL- and TUV-certified in-house laboratories. Every unit passes four quality gates before it ships.
Four Quality Gates, One Reliable Product
Each stage is backed by documented procedures, trained personnel and calibrated instruments.
IQC
Raw materials and components are inspected on arrival. We verify material certifications, dimensional accuracy and electrical properties against our specifications.
IPQC
Automated assembly lines are checked at every station. Regular line inspections, first-article checks and SPC monitoring detect and correct deviations in real time.
FQC
Every unit is tested before shipment. Key parameters including contact resistance, insulation resistance and switching operation are verified on 100% of products.
OQC
Packed batches are re-checked before dispatch. Our team performs sampling inspections based on AQL standards, verifying packaging integrity and labeling accuracy.
Quality You Can Trust
Dongke Electric operates a dual-accredited testing laboratory (UL + TUV) — a distinction shared by only a handful of manufacturers in our industry.
Difference Between a Brushed Motor Switch and a Brushless Motor Switch
A brushed motor switch controls traditional DC motors with mechanical commutation, while a brushless motor switch integrates electronic control functions for BLDC motors with advanced speed regulation and protection.
| Feature | Brushed Motor Switch | Brushless Motor Switch |
|---|---|---|
| Main Function | On/Off and basic speed control | Electronic commutation and precise speed control |
| Motor Type | DC brushed motor | BLDC (brushless DC) motor |
| Speed Control | Basic variable speed | Advanced electronic speed regulation |
| Protection | Limited | Over-current, over-temperature, battery protection |
| Efficiency | Standard | Higher efficiency with electronic control |
| Typical Application | Cordless drills, basic power tools | Brushless drills, impact wrenches, saws, grinders |
ZT19 — Frequently Asked Questions
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