Machine Tool Control Solution – DELIXI BK300D01 | BK Series Control Transformer
The DELIXI BK300D01 is a single-phase dry-type control transformer from DELIXI’s BK series, rated at 300VA. Designed to step down mains voltage to safe control-circuit levels (typically 110V or 36V), it is the standard isolation and voltage-conversion component specified by electrical engineers in machine tool panels, CNC enclosures, and industrial automation cabinets across manufacturing facilities worldwide.
Where This Product Is Used
- CNC Machine Tool Control Panels – Provides isolated 110V or 36V supply to relay coils, indicator lamps, and solenoid valves inside turning centers and machining centers.
- PLC Control Cabinets – Supplies stable, noise-isolated auxiliary power to PLC I/O modules, HMI panels, and 24V SMPS units.
- Injection Molding Machines – Powers control circuits and safety interlocks that must remain isolated from the high-voltage drive bus.
- Conveyor & Material Handling Systems – Feeds control voltage to motor starters, contactors, and pilot devices along production lines.
- Welding Equipment Control Circuits – Provides low-voltage auxiliary power isolated from the welding transformer primary.
- HVAC & Building Automation Panels – Supplies 24V/36V control voltage to actuators, sensors, and DDC controllers.
Technical Specifications
| Model | BK300D01 |
| Brand | DELIXI |
| Series | BK (Machine Tool Control Transformer) |
| Rated Capacity | 300 VA |
| Type | Single-phase, dry-type, step-down |
| Primary Voltage | 220V / 380V AC (50/60 Hz) |
| Secondary Voltage | 6V / 24V / 36V / 110V (configurable) |
| Insulation Class | Class B (130°C) |
| Mounting | Panel / DIN rail compatible base |
| Weight | 300 g (approx.) |
| Country of Origin | China |
Why Engineers Specify This Model
- Proven BK Series Reliability – The DELIXI BK series has been the de-facto standard for machine tool control transformers in Chinese and Southeast Asian manufacturing for over two decades.
- Galvanic Isolation – Full isolation between primary and secondary windings eliminates ground-loop noise and protects sensitive PLC inputs from mains transients.
- Compact 300VA Rating – Right-sized for typical relay-logic and indicator-lamp loads without over-specifying, reducing panel footprint and cost.
- Multi-tap Secondary – Supports 6V, 24V, 36V, and 110V outputs from a single unit, simplifying BOM and stocking requirements.
- Drop-in Replacement – Dimensional and terminal compatibility with legacy BK series units minimizes retrofit engineering time.
Complete System Bill of Materials
Engineers integrating the BK300D01 typically specify the following complementary components:
- DELIXI CJX2 / CJX1 Series AC Contactor (for motor starter circuits)
- DELIXI DZ47 / DZ158 Miniature Circuit Breaker (primary-side protection)
- DELIXI JR36 / JR28 Thermal Overload Relay (motor protection)
- DELIXI NXC / NXD Series Intermediate Relay (control signal amplification)
- 24V DC SMPS Power Supply (for PLC and sensor supply from 36V secondary)
- Terminal Blocks (Phoenix Contact or equivalent, 4mm² rated)
Compliance & Industry Standards
- Manufactured to GB/T 5585 (Chinese National Standard for Control Transformers)
- Compliant with IEC 61558-2-2 (Safety of transformers for general use)
- DELIXI Electric holds ISO 9001:2015 quality management certification
- CE marking applicable for export configurations
Quality Assurance & Sourcing
Konmask.com sources DELIXI BK300D01 units directly from authorized DELIXI distribution channels. Every unit undergoes incoming inspection including:
- Visual inspection of windings, terminals, and enclosure integrity
- Hi-pot (dielectric withstand) test verification
- Turns-ratio verification against factory datasheet
- Authentic DELIXI holographic label and batch traceability check
We do not stock grey-market or remanufactured units. Counterfeit risk is eliminated through our verified supply chain.
How to Source This Part
- In Stock Orders – Add to cart and check out. Orders placed before 15:00 CST ship same business day.
- Bulk / Project Quotes – Contact [email protected] for volume pricing on 10+ units.
- Urgent Requirements – Call or WhatsApp +0086 19859288691 for expedited sourcing and lead-time confirmation.
- OEM / System Integrator Accounts – Ask about our SI partner program for recurring project supply.
Application-Specific FAQ
Q: Can the BK300D01 power a 24V DC PLC power supply directly?
A: Yes. Use the 36V secondary tap to feed a 24V DC SMPS. The 300VA rating comfortably supports a 10A / 240W DC supply with margin for inrush.
Q: Is this transformer suitable for 60 Hz systems (North America / Japan)?
A: The BK series is rated for 50/60 Hz. Verify primary voltage tap matches your supply (220V or 380V). For 120V primary systems, consult our team for alternative models.
Q: What is the maximum continuous load I should apply?
A: Derate to 80% of rated VA for continuous duty — i.e., 240VA continuous load — to maintain winding temperature within Class B limits and extend service life.
Q: Can I use this as an isolation transformer for sensitive instrumentation?
A: The BK series provides basic isolation. For instrumentation requiring low leakage current (<0.5mA) or shielded windings, specify a dedicated isolation transformer such as the DELIXI BK-G series.
Q: What is the lead time if out of stock?
A: Typical replenishment from DELIXI authorized stock is 3–7 business days for standard quantities. Contact us for project-specific lead-time commitments.
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