Switches
66 customer.honeywell.com 70-6925
P658 Pneumatic/Electric Switch
Pneumatic-electric switches (P658A,B,E and F) used to convert a
pneumatic signal from a controller to an electrical switching
action (SPDT) to provide start and stop control of equipment such
as fans and pumps. Replacement devices available for Johnson,
Powers, Robertshaw, Barber-Colman, and older Honeywell
pneumatic/ electric switches.
• Models available for surface or panel mounting.
• Barb protected by open cage.
• All ferrous parts plated to prevent corrosion.
• Factory calibrated setpoint field adjustable to meet job
requirements.
• Neoprene diaphragm element
P658A Dimensions in inches (millimeters) P658B Dimensions in inches (millimeters)
P. E. RELAY
P658A-1005 I
PRE-SET 4 PSI
1
1
(25)
1-1/8
(29)
1-7/8
(48)
5-3/8
(11)
7/16
(11)
3-3/4
(95)
3-3/8
(86)
1
(25)
THREADED BARB PROTECTOR
5/8–18 UNF-2A MALE THREAD
KNOCKOUT ON ONE SIDE FOR 3/4 1NCH CONDUIT. KNOCKOUTS
ON OPPOSITE SIDE, TOP, AND BACK FOR 1/2 INCH CONDUIT.
C7435
1
C7431
3-7/16
(87)
7/16
(11)
THREADED BARB PROTECTOR
5/8–18 UNF-2A MALE THREAD
3-1/4
(83)
1-7/8
(48)
1-1/2
(38)
2-5/8
(67)
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