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C437D,E,F,G,H,J,K AND C637B GAS PRESSURE SWITCHES
60-2320—9
2
SPECIFICATIONS
Models:
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or your distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number, or specify—
1. Order number.
2. Pressure range.
3. Replacement parts, if desired.
4. Accessories, if desired.
If you have additional questions, need further information, or would like to comment on our products or services, please write or phone:
1. Your local Honeywell Home and Building Control Division Sales Office (check white pages of phone directory).
2. Home and Building Control Division Customer Logistics
Honeywell Inc., 1985 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales
and Service offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan,
Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
a
Designated Manual Reset 2; the trip-free reset mechanism does not permit the switch to function as an automatic-reset device
when the manual reset lever is held in the Reset position.
b
Weatherproof enclosure (NEMA 3R) available.
c
Two separate switches are contained in the same mercury bulb.
Switch Ratings (In Amperes):
C637B—62.5 VA at 120 and 240 Vac, pilot duty.
C437E,G and H C437F,J,K
Voltage Full Load Locked Rotor Resistive Load Full Load Locked Rotor Resistive Load
120 Vac 8.0 48.0 10.0 8.0 48.0 10.0
240 Vac 5.1 30.6 5.0 5.1 30.6 5.0
120 Vdc 2.4 24.0 5.0 2.0 20.0 8.0
240 Vdc 1.2 12.0 2.0 1.0 10.0 3.0
Model
Number
Switch Action
(Response at Setpoint to Pressure Change)
Manual Reset
a
(Locks Out on Switch Break)
C437D spst, breaks on rise yes
C437E spst, breaks on fall yes
C437F
b
2 spst circuits
c
, breaks one, makes one no
C437G
a
spst, breaks on rise no
C437H
a
spst, breaks on fall no
C437J 2 spst circuits
c
, breaks one, makes one yes (lockout on rise)
C437K 2 spst circuits
c
, breaks one, makes one yes (lockout on fall)
C637B spst, breaks R-W and makes R-B on fall no