As a professional China low voltage current transformer manufacturer, Shenzhen Macable specializes in high-quality EI-core low voltage transformers designed for reliable step-down power conversion in low-power applications.
Macable low voltage transformers are built using premium silicon steel laminations and high-purity copper windings, delivering low noise, minimal magnetic leakage, excellent efficiency, low temperature rise, and long-term durability. These characteristics make them a trusted choice for electronics manufacturers, system integrators, and OEM partners worldwide. We offer both standard models and full customization—adjusting voltage ratios, power ratings, dimensions, termination styles, mounting options, and more—to match exact project requirements.
Key Products
Our core lineup focuses on EI-type and low-frequency designs suited for control, audio, security, HVAC, and general industrial/consumer uses. Below are detailed specifications and typical applications (based on representative models—all parameters can be tailored):
- EI48x35 Professional Power Transformer (220V to 22.5V, 18-20W)
- Input: 220–230V AC, 50/60 Hz
- Output: 22.5V AC, ~0.8A
- Power Rating: 18W rated (up to 20W max)
- Core: EI laminated silicon steel
- Approximate Dimensions / Weight: ~37 × 47.5 × 58 mm / ~117 g
- Key Features: Precise output voltage, low heat generation, built-in thermal/current protection options, terminal or lead connections, open-frame design for easy integration.
- Typical Applications: Precision instrumentation, automation control panels, surveillance power modules, LED drivers, audio equipment, and any system requiring stable 22.5V output.
- Low-Voltage EI Transformer – MKPT-41-121000T
- Input: 230V AC, 50 Hz (110V/220V universal versions available)
- Output: 12V AC, 1A
- Power Rating: 12W
- Core: Compact EI type
- Approximate Dimensions / Weight: ~43 × 35 × 28 mm / ~273 g
- Key Features: Space-saving footprint, full primary-secondary isolation, wide operating temperature tolerance, optional temperature/current safeguards, flexible lead/terminal configurations.
- Typical Applications: HVAC controllers, thermostats, security alarm panels, access control systems, smart home control boards, and small appliance auxiliary supplies where compact, isolated 12V AC is needed.
- Transformer – MKPT35-800005T
- Power Rating: ~3W (optimized for low consumption)
- Frequency Range: 20 Hz – 20 kHz (wideband)
- Impedance Options: Multiple matching combinations (e.g., 3.3kΩ / 5.0kΩ / 10kΩ to 8Ω)
- Core: EI type
- Approximate Dimensions / Weight: ~37 × 47.5 × 58 mm / ~117 g
- Key Features: Low distortion and noise, excellent impedance flexibility, good EMC performance, suitable for signal-level applications.
- Typical Applications: Low-power audio amplifiers, intercom systems, door-entry communication units, industrial buzzers/alarms, test equipment, and circuits requiring clean audio signal isolation or matching.
- Low-Frequency EI Transformer – GLP08005 (36W version)
- Input: 110/230V AC universal, 50/60 Hz
- Output: 12V AC (custom voltages supported), up to ~1.5–3A depending on configuration
- Power Rating: 36W
- Core: Robust low-frequency EI
- Approximate Dimensions / Weight: ~70 × 62 × 58 mm / ~1291 g
- Key Features: Higher power handling, vibration resistance, global voltage compatibility, low stray fields, comprehensive protection features, sturdy build for long service life.
- Typical Applications: Home audio amplifiers, multimedia devices, security control panels, small household appliances (fans, humidifiers), industrial instrumentation, and noise-sensitive installations needing higher-capacity isolated power.
- Low-Voltage Transformer for Control Board
- Representative Model: Optimized variant of MKPT-41-121000T series
- Input/Output/Power: Typically 230V AC to 12V AC / 1A / 12W (adjustable)
- Core & Design: Compact EI, tailored for control circuitry
- Key Features: Enhanced isolation for relay/indicator/motor drive stability, easy PCB or enclosure mounting, consistent batch performance.
- Typical Applications: Appliance main control boards, industrial micro-machinery controls, HVAC modules, access control & intercom panels, relay driver circuits, and embedded systems requiring dependable low-voltage auxiliary supply.
Why Choose Macable as Your China Low Voltage Current Transformer Manufacturer?
Macable stands out thanks to several key advantages that set us apart in the competitive landscape of China low voltage current transformer manufacturers:
- In-house production control – From core lamination to final assembly and testing, everything happens under one roof for consistent quality and fast turnaround.
- Extensive customization capability – We support full OEM/ODM services, including special voltage ratios, mounting styles, lead lengths, encapsulation, and labeling.
- Strict international compliance – All products meet UL, EN, CE, and other major safety standards, with full documentation available.
- Competitive pricing & reliable delivery – Efficient manufacturing and supply chain management allow us to offer cost-effective solutions with stable lead times.
- Technical support & sample availability – Our engineering team provides quick responses, detailed datasheets, and free or low-cost samples for validation.
- Proven track record – Years of experience supplying transformers to global electronics brands, security system integrators, and appliance manufacturers.
If you are looking for standard stock units, custom-engineered solutions, samples, datasheets, or pricing from a trusted China low voltage current transformer manufacturer, we are ready to assist.
