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Instructions
February, 2003
Supersedes Issue of
December, 1999
Siemens Energy & Automation, Inc. 1000 McKee Street Batavia, Illinois 60510
49-HACRO
Side Mount Auxiliary Interlock
US/15 Controller Sizes B-E, Q
Class 15, 21, 23, 24
Cat No 49ACRO, C, 6, 7, 8
Description
The side mounted auxiliary is a snap on single or multiple pole
contact assembly. Each controller can accommodate 2 inter-
locks, one on each side.
Use with
Series B, Class 15, 21, 23, and 24 controller sizes
B-E, Q
49ACRO - 1 NO
49ACRC - 1 NC
49ACR7 - 2 NO
49ACR6 - 1 NO & 1NC
49ACR8 - 2 NC
Rating:
NEMA A600, 10 Amps AC
NEMA P600, 5 Amps DC
Installation
The auxiliary interlock can be installed on either side of the con-
troller.
1. Tag and remove wires from the line and load terminals. For
a starter, remove the overload relay at the contactor load ter-
minals.
2. Place your thumb over the pusher and slide the interlock
assembly onto the contactor so that the rear ears are
engaged in the slots on the contactor base. The rear ears
must first be positioned on the base for proper assembly
and operation of the interlock.
3. The front ears should then properly align with the indenta-
tions on the top side of the controller and snap into place.
4. Manually operate the controller by pressing and releasing
the cross arm. In the released position, the front surface of
the interlock pusher will be approximately flush with the top
surface of the interlock housing.
5. Connect any removed wires. For a starter, assemble the
overload relay to the contactor load terminals.
Terminal
power screw minimum tightening torque is 20 inch-pounds.
6. Wire the interlock as required for installation.
7.
To remove the interlock from the controller, compress the
black nib near the pusher assembly and lift the interlock
away from the controller.
Hazardous voltage.
Can cause death, serious personal
injury, or property damage.
Disconnect power before working on
this equipment.
(For Engineering Reference Only - Rev. D)
IMPORTANT
THESE INSTRUCTIONS DO NOT PURPORT TO COVER ALL DETAILS OR VARIATIONS IN EQUIPMENT, NOR TO PROVIDE FOR
EVERY POSSIBLE CONTINGENCY TO BE MET IN CONNECTION WITH INSTALLATION, OPERATION OR MAINTENANCE.
SHOULD FURTHER INFORMATION BE DESIRED OR SHOULD PARTICULAR PROBLEMS ARISE WHICH ARE NOT COVERED
SUFFICIENTLY FOR THE PURCHASER’S PURPOSES, THE MATTER SHOULD BE REFERRED TO THE LOCAL SIEMENS SALES
OFFICE.
THE CONTENTS OF THIS INSTRUCTION MANUAL SHALL NOT BECOME PART OF OR MODIFY ANY PRIOR OR EXISTING
AGREEMENT, COMMITMENT OR RELATIONSHIP. THE SALES CONTRACT CONTAINS THE ENTIRE OBLIGATION OF SIEMENS.
THE WARRANTY CONTAINED IN THE CONTRACT BETWEEN THE PARTIES IS THE SOLE WARRANTY OF SIEMENS. ANY
STATEMENTS CONTAINED HEREIN DO NOT CREATE NEW WARRANTIES OR MODIFY THE EXISTING WARRANTY.
For replacement parts information or an application guide, visit
our website at www.sea.siemens.com or contact your local
Siemens sales office.
Exhibit H-34
Summary of Contents for BELTOMATIC
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