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Product Detailed Parameters
- Description：PWR XFMR LAMINATED 30VA TH
- Series：One-4-All™
- Mfr：Signal Transformer
- Package：Box
- Type：Laminated Core
- Voltage - Primary：115V, 230V
- Voltage - Secondary (Full Load)：Parallel 10V, Series 20V
- Current - Output (Max)：Parallel 3A, Series 1.5A
- Primary Winding(s)：Dual
- Secondary Winding(s)：Dual
- Center Tap：No
- 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-30-20 is a laminated core power transformer designed for through-hole mounting. It features dual primary windings rated for 115 VAC and 230 VAC operation at 50/60 Hz. The secondary configuration provides parallel outputs of 10 VAC at 3 A, or series outputs of 20 VAC at 1.5 A. With a 30 VA power rating, it offers a 4000 Vrms dielectric strength isolation voltage. The unit measures 66.68 mm in length, 55.55 mm in width, and 39.70 mm in height.
Feature Summary
- Dual primary winding capability for global voltage compatibility
- Flexible secondary output options via series or parallel connection
- High dielectric strength insulation for safety isolation
Applications
- Industrial control systems requiring isolated power
- General purpose equipment power supplies
- Electronic devices needing standard AC voltage transformation
Procurement Notes
Verify the specific datasheet version to confirm compliance with current RoHS and REACH regulations. Ensure the selected variant matches the required secondary current and voltage configuration. Confirm that the through-hole pin spacing aligns with the target PCB footprint before finalizing procurement orders.
Selection Notes
Select this component when a 30 VA capacity is sufficient for the load requirements. Choose this model if dual primary input flexibility is necessary for international deployment. Verify that the physical dimensions fit within the enclosure constraints and that the thermal performance meets the operating environment specifications.
Part Context
This part belongs to the 14A series of international transformers from Signal Transformer. The series covers a wide power range from 2.5 VA to 56 VA. These units are characterized by their robust laminated core construction and standardized form factors suitable for various industrial and commercial applications.
Replacement Considerations
The Hammond Manufacturing 183J20 is documented as a similar replacement option. Verify electrical equivalence regarding power rating, voltage configurations, and physical dimensions before substituting.
