Installation Manual
IL42-4026A June 2003
Use circuit-closing devices on current transformer secondaries used with Form 3S and 4S meters. Dangerous currents
and voltages are present. Equipment damage, personal injury, or death can result if circuit-closing devices are not used.
WARNING
!
DISCLAIMER OF WARRANTIES AND LIMITATIONS OF LIABILITY
There are no understandings, agreements, representations, or warranties either express or implied, including warranties of merchantability or fitness for a
particular purpose, other than those specifically set out by any existing contract between the parties. Any such contract states the entire obligation of the
seller. The contents of this document shall not become part of or modify any prior existing agreement, commitment, or relationship.
The information, recommendations, descriptions, and safety notices in this document are based on Elster Electricity, LLC experience and judgment with
respect to operation and maintenance of the described product. This information should not be considered as all-inclusive or covering all contingencies. If
further information is required, Elster Electricity, LLC should be consulted.
No warranties, either expressed or implied, including warranties of fitness for a particular purpose or merchantability, or warranties arising from the course
of dealing or usage of trade, are made regarding the information, recommendations, descriptions, warnings, and cautions contained herein.
In no event will Elster Electricity, LLC be responsible to the user in contract, in tort (including negligence), strict liability or otherwise for any special,
indirect, incidental, or consequential damage or loss whatsoever, including but not limited to: damage or loss of use of equipment, cost of capital, loss of
profits or revenues, or claims against the user by its customers resulting from the use of the information, recommendations, descriptions, and safety
notices contained herein.
Elster Electricity, LLC
Raleigh, North Carolina USA
*IL42-4026A*
© 2003 by Elster Electricity, LLC.
All rights reserved. Printed in the United States
Figure 2. Transformer-rated meters and socket wiring (front view)
Figure 1. Self-contained meters and socket wiring (front view)
Form 2S
N
1
L
O
A
D
1
N
1
N
Form 1S
1 phase, 2 wire
self–contained
20E01
1
2
N
L
O
A
D
2
N
1
N
2
1
Form 2S
1 phase, 3 wire
self–contained
20E01
Form 1S
14
Form 4S
Form 3S
1 phase, 3 wire
1 CT, no PTs
24E01
1
2
N
N
2
1
CIRCUIT
CLOSING
DEVICE
Form 4S
1 Phase, 3 Wire
2 CTs, no PTs
29A02
1
2
N
N
2
1
CIRCUIT
CLOSING
DEVICE
Form 3S
1 phase, 2 wire
1 CT, no PTs
29A02
1
N
N
1
CIRCUIT
CLOSING
DEVICE
Alternate positions of
movable potential terminal
Form 3S
14