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Hammond Manufacturing 172A Isolation Transformer

The 172A is a 100VA step-down isolation transformer suitable for power management and industrial environments. It has a primary voltage of 230VAC at 50/60Hz, connected through a European Schuko grounded plug and a 5-foot cord. The secondary provides 115VAC via a 1-foot cord to a standard North American NEMA 5-15R grounded outlet. It includes a circuit breaker for safety, is Hi-pot tested at 2000Vrms to ensure insulation integrity, and features an electrostatic shield between windings. Designed for indoor use only, it does not convert line frequency, making it ideal for equipment requiring electrical isolation and voltage reduction.

Authorized Distributors
Source:Newark
Part No:172A
Stock:2
Inv Date:06-11-2026
Price: Unit price: $165.63
Buy/RFQ:
Source:DigiKey
Part No:172A
Stock:12
Inv Date:06-11-2026
Price: Unit price: $166.15
Buy/RFQ:
Part No:172-A
Stock:9
Inv Date:06-12-2026
Price: Unit price: $26.09
Buy/RFQ:
Part No:172A
Stock:0
Inv Date:06-12-2026
Price: Unit price: $163.18
Buy/RFQ:
Part No:172-A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $114.34
Buy/RFQ:
Part No:172-A
Stock:8
Inv Date:06-11-2026
Price: Unit price: $26.61
Buy/RFQ:
Part No:172A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $166.15
Buy/RFQ:
Part No:172A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $144.8
Buy/RFQ:
Part No:172A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $144.8
Buy/RFQ:
Authorized Distributors
Part No:172A
Stock:1
Inv Date:06-11-2026
Price: Unit price: $141.82
Buy/RFQ:

Hammond Manufacturing 172A Isolation Transformer Specifications:

  • Primary Voltage: 230VAC at 50/60Hz
  • Secondary Voltage: 115VAC
  • Power: 100VA
  • Input Plug: European Schuko grounded plug (old inventory) or North American NEMA 6-15P (new production)
  • Output Receptacle: NEMA 5-15R grounded receptacle
  • Protection: Circuit breaker in primary
  • Testing: Hi-pot tested at 2000Vrms
  • Shielding: Electrostatic shield between primary and secondary
  • Cable Lengths: Primary cord 5 ft, secondary cord 1 ft
  • Usage: Indoor use only
  • Note: Does not convert line frequency

Buy the Hammond Series 172 Isolation Transformer: 172A

Purchase the Hammond 172A isolation transformer online for secure voltage reduction and electrical isolation in industrial and power management applications. Its 100VA capacity provides efficient power conversion with primary 230VAC and secondary 115VAC capabilities. Featuring a circuit breaker for safety, an electrostatic shield for insulation, and tested at 2000Vrms for reliability, this unit is ideal for indoor use. Easy to connect via standard plugs and receptacles, it ensures safe and stable operation for sensitive equipment, making it an essential component for professional electrical systems.

Get Hammond 172A today—built for electrical isolation and reliable power management in industrial environments.

Frequently Asked Questions

Where can I buy Hammond Manufacturing 172A?

You can click on the BUY or RFQ button to purchase 172A from an authorized Hammond Manufacturing distributor.

How do I troubleshoot issues or seek technical support for part 172A?

You can download the 172A datasheet or visit the Hammond Manufacturing website for support.

Who is the manufacturer of 172A?

Hammond Manufacturing

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