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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 30VA TH
- Series：One-4-All™
- Mfr：Signal Transformer
- Package：Bulk
- Type：Laminated Core
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：5V, ±15V
- Current - Output (Max)：1.25A, 200mA
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：Yes
- Power - Max：30VA
- Mounting Type：Through Hole
- Termination Style：PC Pin
- Size / Dimension：66.70mm L x 55.50mm W
- Height - Seated (Max)：39.70mm
- Voltage - Isolation：4000Vrms
- Weight：1.2 lbs (544.3 g)
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Overview
The Signal Transformer 14A-30-515 is a laminated core power transformer with a 30 VA rating. It features dual primary windings for 115 VAC and 230 VAC input at 50/60 Hz. The unit provides triple secondary outputs: 5 VDC at 1.25 A, and ±15 VDC at 200 mA each. Designed for chassis mounting, it utilizes quick connect terminals for electrical connections. The physical dimensions are approximately 79.4 mm in length, 54.4 mm in width, and 68.2 mm in height.
Feature Summary
- Triple output configuration providing separate regulated voltage rails
- Dual primary winding capability for global line voltage compatibility
- Laminated core construction for standard industrial power applications
Applications
- Industrial control systems requiring multiple voltage levels
- Chassis-mounted electronic enclosures
- General purpose AC to DC power supply front ends
Procurement Notes
Verify the specific terminal type and spacing against the mechanical drawing before integration. Confirm that the thermal rating aligns with the intended enclosure airflow conditions. Ensure the input voltage selection matches the local mains frequency and amplitude requirements for safe operation within the specified insulation class.
Selection Notes
Select this component when a single transformer must provide three distinct voltage rails from one AC source. Compare the total VA load against the 30 VA limit to prevent saturation. Consider the chassis mounting footprint and lead length if space constraints exist within the target assembly design.
Part Context
This model belongs to the International One-4-All series of power transformers manufactured by Signal Transformer, a Bel Group company. These units are designed for broad compatibility across various industrial standards. The series typically offers standardized footprints and pinouts to simplify replacement in existing equipment designs.
Replacement Considerations
Direct substitutes include models with identical 30 VA ratings and matching triple output voltages. Verify that any alternative part maintains the same chassis mounting hole pattern and terminal configuration to ensure mechanical interchangeability without redesigning the PCB or panel.
