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LIMIT SWITCHES > Top Entrance Rope Operated
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ACI'sTop Entrance Rope Operated Limit Switches are designed to operate in large
areas, up to 39.4 feet (12 meters). There are two versions of the switch - Automatic and Manual.

Automatic Version
Pulling the rope to extend the operating ring 1/32" (1 mm) will close the Normally Open contact.
Pulling the rope to extend the operating ring to 1/4" (6 mm) will open the Normally Closed contact.
Order by the Catalog Number shown below:

Manual Version
The Normally Open contacts will not close until the operating ring is extended a minimum of
1/32" (1 mm) and the "Reset" button is pulled. Once the "Reset" button is pulled, the Normally
Open contact will immediately close. When the "Reset" button is activated and the Normally
Open contact is closed, continuous force must be maintained on the operating ring to maintain
the switch. If the activating force is reduced, the switch will snap "Off" and cannot be
re-activated without re-extending the operating ring and re-pulling the "Reset" button. Pulling the rope to extend the operating ring to 6 mm will open the Normally Closed contact.
Order by the Catalog Number shown below:

Maximum Operating Ring extension is 5/16" (8 mm).


Ordering Information
FD Series • Metal Housing
SWITCH
VERSION

MODEL
NUMBER

CATALOG
NUMBER

WT

Lbs

 
AUTOMATIC

FD874

103384

0.8

MANUAL

FD1878

117659

0.8

Technical Specifications

Contact Rating:
UL/CSA: 10 Amp A600 / Q300(UL508)
IEC
AC15
DC13
VOLTAGE
250
400
500
24
125
250
CURRENT (le)
6
3
1
6
1.1
0.4

NOTE: Dimensions are in Inches (millimeters)


Maximum Contact Operating Voltage: 600V AC, 300V DC (UL508)

Short Circuit Protection: 10 Amps (max) fuse

Electrically isolated contacts allow different contact voltages.

Positive Forced Break Double Contacts

        

UL File Number: E131787
CSA File Number: LR93682

Contact Operation Diagram

NOTE: Contact Operation shown in millimeters

 

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