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| Categories | Control Transformer |
|---|---|
| Model Number: | EI76 |
| Winding Material: | Copper wire |
| Secondary: | 24V 27V 32V |
| MOQ: | 100 |
| Delivery Time: | 7-14 work days (Negotiable) |
| Core Type: | UI |
| Enclouse: | NEMA 4X 304 SS |
| Coil: | Double winding |
| Operatingtemperaturerange: | -20°C to 40°C |
| Payment Terms: | T/T |
| Insulation Class: | F/H |
| Temperature Rising: | ≤80℃ |
| Efficiency: | 95% |
| Temperaturerise: | 80°C |
| Brand Name: | CHIPSEN |
| Input Current: | 12A |
| Configuration: | Encapsulated |
| Place of Origin: | China |
| Voltage: | 36V 120V 60V |
| Varnish: | Vacumn varnish |
| Number Of Qutputs: | 3 Groups |
| Price: | ＄183.5-399.8/pieces |
| Primary Voltage: | 240V |
| Mountingtype: | Panel Mount |
| Supply Ability: | 10000pcs |
| Primary: | 240V |
| Insulation: | Epoxy |
| Certification: | UL/cUL Class B/F/H, VDE, CQC |
| Dielectric Strength: | 1800V/min |
| Company Info. |
| Dongguan Chipsen Electronics Technology Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
| Industry and Application | Common Input Requirements | Common Output Requirements | Key Parameters | Customization Support |
|---|---|---|---|---|
| Industrial Automation | 110V to 480V AC at 50Hz or 60Hz | 12V, 24V, 48V, 110V or 120V AC | VA rating, regulation, insulation, temperature rise, terminals and mounting | Input taps, output voltage, power capacity, brackets, terminals and protection devices |
| Machine Tool Control | 220V, 230V, 380V, 400V, 415V, 440V or 480V AC | 24V, 48V, 110V or 120V AC | Inrush capability, vibration resistance, dielectric strength and continuous operation | Multiple voltage taps, reinforced insulation, terminals and mounting structure |
| HVAC Equipment | 120V, 208V, 220V, 230V, 240V, 277V, 380V, 400V or 480V AC | 12V, 24V or 48V AC | Continuous load performance, temperature rise, audible noise and installation size | Primary voltage, secondary voltage, VA rating, thermal protection and bracket |
| Medical Equipment | Region specific mains voltage | Application specified isolated AC output | Insulation, leakage current, temperature rise, noise and traceability | Shielding, insulation system, protection devices and testing documentation |
| Commercial Appliances | 110V, 120V, 220V, 230V or 240V AC | 9V, 12V, 18V, 24V, 36V or 48V AC | Efficiency, cost, regulation, compact construction and terminal safety | Windings, voltage ratio, terminals, bracket, label and packaging |
| Parameter | Typical Reference | Customization Status |
|---|---|---|
| Core Type | EI76 laminated silicon steel core | Customizable |
| Operating Frequency | 50Hz, 60Hz or dual frequency design | Customizable |
| Primary Voltage | 100V to 480V AC depending on winding and insulation design | Customizable |
| Secondary Voltage | 6V to 120V AC commonly requested | Customizable |
| Power Capacity | Approximately 30VA to 150VA depending on stack size and temperature rise | Customizable |
| Primary Configuration | Single input, dual input or multiple voltage taps | Customizable |
| Secondary Configuration | Single, dual or multiple output windings | Customizable |
| Construction Element | Description |
|---|---|
| Magnetic Core | EI76 laminated silicon steel core for 50Hz and 60Hz operation |
| Primary Winding | Copper winding designed for single, dual or multiple input voltages |
| Secondary Winding | Single or multiple copper windings developed for required output |
| Bobbin | Insulating coil former selected according to voltage and temperature requirements |
| Insulation System | Barriers, tape, sleeving, margins and interlayer insulation based on approved design |
| Terminal Blocks | Insulated terminals for accessible and reliable equipment wiring |
| Inspection Item | Inspection Purpose |
|---|---|
| Turns Ratio Test | Confirms designed primary and secondary voltage relationship |
| No Load Voltage Test | Verifies secondary output without connected load |
| Full Load Voltage Test | Confirms output voltage and regulation at rated load |
| No Load Current Test | Evaluates core excitation and magnetic assembly performance |
| Winding Resistance Test | Confirms winding consistency and conductor condition |
| Insulation Resistance Test | Evaluates insulation between windings, core, bracket and terminals |
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