SM1 I&M MANUAL/EN/11.16.2010
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secret that may not be reproduced, disclosed to third parties, altered or otherwise employed in any manner whatsoever without the express written consent of R&M MATERIALS
HANDLING, INC. Copyright © (2010) R&M MATERIALS HANDLING, INC. All rights reserved.
6.8.2
Rotary Geared Limit Switch
The Rotary Geared Limit Switch assembly for the SM1 is mounted inside the body underneath the brake
cover. This feature adds flexibility in adjusting the limits of hoist travel when used in the inverted position.
The mounting of the switch assembly has an IP55 rating / NEMA 3R type rating.
Limit switches with 2 contacts:
1. Upper limit switch
2. Lower limit switch
Figure 20. Rotary Geared Limit Switch
Table 19. Rotary Limit Switch Configuration
Configuration
Rotary limit with 2 switches
Rotary limit with 4 switches
A
NOT AVAILABLE
NOT AVAILABLE
B
OPTIONAL
NOT AVAILABLE
C
OPTIONAL
NOT AVAILABLE
S
NOT AVAILABLE
NOT AVAILABLE
NOTE: The rotary limit switch assembly cannot be added to a hoist in the field. The hoist must
have the rotary limit switch assembly provided at time of initial production.
