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Plug-In Isola-
tion Transformers
(115
Features
• Primary 230VAC, 50/60 Hz., Secondary 115VAC
• Provides complete circuit isolation.
• Faraday electrostatic shield between primary & secondary to greatly attenuate surges and noise.
• Hi-pot tested to 2 KV RMS.
• Circuit breaker in primary.
• Standard 3-wire, grounded plug & receptacle.
• Input (primary) connected to 5 foot long cord & standard North American plug (NEMA 5-15P).
• Output (secondary) connected to 1 foot long “pig tail” cord, 3-wire, standard North American grounded recep-
tacle (NEMA 5-15R).
• North American Mark of Safety - C UL & UL listed (File #E211544)
• Indoor use only
• Remember - These units do NOT convert line frequency
Hammond Plug-In Isolation Transformers
Hammond isolation transformers provide complete circuit
isolation to protect your sensitive electronics. 172E features an
electrostatic shield between the primary and secondary which
greatly attenuates surges and noise caused by power problems
on the same circuit or by supply disruptions from utilities. Iso-
lation transformers are an essential for laboratory test benches
where line voltage is used.
For safety concerns, every 172E has been hi-pot tested to 2KV
RMS, and features a 5 amp circuit breaker on the primary. The
primary features a 5’ cord with a standard NEMA 6-15P plug.
The secondary is connected to a 1’ cord with a standard NEMA
5-15R receptacle. All units carry the North American mark of
safety C UL & UL listed (File # E211544).
172E
Plug-In Isolation - Step Down (230VAC to 115VAC)
www.hammondmfg.com
230V
50 / 60 Hz
115V
6.52A
Electrical Specicaons:
Primary Voltage 230VAC
Secondary Voltage 115VAC
Frequency 50 / 60 Hz
Capacity VA 750
Leakage Current < 100 µA
Full Load Eciency 94% (typical)
Full Load Total Harmonic Distoron 0.19% (typical)
Surge/ Noise Suppression -38.24 dB (typical)
Capacitance Between Windings @ 1 kHz 20 pF (typical)
Circuit Breaker (Amps) 5A on primary
Dimensions
A 4.4” / 112 mm
B 8.7” / 221 mm
C 5.39” / 137 mm
D 3.5” / 89 mm
E 6.78” / 172 mm
Weight 30 lbs / 13.61 kg
Cord Length (Primary) 5 / 1.52m
Cord Length (Secondary) 1/ 0.30m
Plug on Primary NEMA 6-15P
Receptable on Secondary NEMA 5-15R
Plug-In Isolation - Step Down (230VAC to 115VAC)
172E
5A Breaker