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Product Detailed Parameters
- Description：Tools/Equipment/Hardware
- Series：166
- Mfr：Hammond Manufacturing
- Package：Bulk
- Type：-
- Voltage - Primary：115V
- Voltage - Secondary (Full Load)：20V
- Current - Output (Max)：500mA
- Primary Winding(s)：Single
- Secondary Winding(s)：Single
- Center Tap：Yes
- Power - Max：10VA
- Mounting Type：Chassis Mount
- Termination Style：Wire Leads
- Size / Dimension：71.37mm L x 41.40mm W
- Height - Seated (Max)：42.93mm
- Voltage - Isolation：2000Vrms
- Weight：-
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Overview
The Hammond Manufacturing 166G20-BULK is an industrial power transformer from the 166 series, designed for chassis mounting. It features a single primary winding rated for 115 VAC and a dual secondary winding configuration providing 20 VAC center-tapped output. The unit has a power rating of 8 VA with a maximum secondary current of 500 mA. It utilizes wire leads for termination and operates at frequencies of 50 Hz or 60 Hz within a temperature range of 0°C to +130°C.
Feature Summary
- Dual secondary winding architecture enabling versatile low-voltage circuit configurations
- Chassis mount design with wire lead terminations for direct integration
- Single primary winding optimized for standard 115 VAC input applications
Applications
- Industrial control panel power distribution
- Low voltage equipment power supply units
- Electronic instrumentation internal power stages
Procurement Notes
Verify that the BULK suffix indicates loose packaging rather than a functional change. Confirm the specific part number matches the required electrical parameters against official datasheets before procurement. Ensure compatibility with existing chassis mounting dimensions and wire lead lengths.
Selection Notes
Select this model when a 20VAC center-tapped output is required from a 115VAC source. The 8 VA rating suits low-power control circuits. Verify that the chassis mount style and wire lead termination method align with the assembly requirements. Check thermal limits for the intended operating environment.
Part Context
This component belongs to the Hammond 166 series of industrial control transformers. These units are characterized by laminated core construction and robust chassis mounting capabilities. The series offers various voltage and wattage combinations tailored for general industrial control and low-voltage power applications.
Replacement Considerations
Cross-reference with other Hammond 166 series models such as 166G16 or 166G14 if different voltage outputs are acceptable. Verify physical dimensions and terminal types match the existing footprint.
