1182 Series Connection Sheet Datasheet by Hammond Manufacturing

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HAMMOND MANUFACTURING® WASHER NUT
POWER - TOROID
GLOBAL USE
1182 SERIES
April 2014
www.hammondmfg.com
Key Features
Low profile, lightweight, cool running / high efficiency & low stray magnetic flux leakage.
Dual 117/234 VAC primary, 50/60 Hz. operation.
Units are designed to have all windings engaged (either series or parallel connected) or
connected as an autotransformer.
Supplied with two rubber insulating pads, one metal centering washer and all mounting
hardware (up to and including 1,000 VA).
Mounting hardware varies with VA size - see web site for details.
Minimum 8” long flexible leads.
Manufactured using Class B (130 degee C) materials.
Hi-Pot test of 4,000 VAC RMS between primary & secondary.
UL recognized to UL506 (XPTQ.Guide) UL file #E207860
CSA certified to C22.2 #66 - CSA file #209651
CE compliant to IEC 61558-2-4
For more information on this series visit: http//:www.hammondmfg.com/1182.htm
Connection Information “1182" - Toroid Power Transformers ‘34; :3; o——> £1“? gr? <——o 5r:="">
Connection Information
“1182” - Toroid Power Transformers
Secondary Connections
Primary Connections
Orn
Wht
Brn
Blk
Yel
Gry
Blu
Red
PRI SEC
Parallel
Secondary Wiring
(Parallel Connection)
Orn
Wht
Brn
Blk
Yel
Gry
Blu
Red
PRI SEC
Serie
s
Secondary Wiring
(Series Connection)
Orn
Wht
Brn
Blk
Yel
Gry
Blu
Red
PRI SEC
117 VAC
Primary Wiring for 117V
(Parallel Connection)
Orn
Wht
Brn
Blk
Yel
Gry
Blu
Red
PRI SEC
234 VAC
Primary Wiring for 234V
(Series Connection)
Orn
Wht
Brn
Blk
Blu
Red
PRI SEC
Secondary Wiring
(Only Single Secondary Models)
Note about Inrush Current:
Due to the superior magnetic properties of Toroidal transformers they will be susceptible to high magnetizing current when initially ener-
gized, only limited by the low DC resistance of the primary winding. Depending on where you are in the AC cycle when the transformer is
energized dictates the chances of overloading the supply circuit. This is why the transformer may sometimes energize without a problem
and other times it will blow the fuse or trip the circuit breaker. The duration of this overload is rarely longer than a half of a cycle. There-
fore, you should consider using a slow-blow fuse, time delayed circuit breaker or other form of soft start circuitry for the supply line when
using these high efficient Toroidal transformers.

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