Specification

2
L482A LOW LIMIT CONTROLLER
74-3935
Honeywell Europe S.A.
3 Avenue du Bourget
B-1140 Brussels Belgium
Honeywell Asia Pacific Inc.
Room 3213-3225
Sun Hung kai Centre
No. 30 Harbour Road
Wanchai
Hong Kong
Home and Building Control
Honeywell Limited-Honeywell Limitée
740 Ellesmere Road
Scarborough Ontario
M1P 2V9
Honeywell Latin American Division
Miami Lakes Headquarters
14505 Commerce Way Suite 500
Miami Lakes FL 33016
Helping You Control Your World
74-3935 10-86
Home and Building Control
Honeywell Inc.
Honeywell Plaza
P.O. Box 524
Minneapolis MN 55408-0524
Printed in U.S.A. on recycled paper
containing at least 10% post-consumer paper fibers
SPECIFICATIONS
Model:
❑ L482A Low Limit Controller with two spst snap switches
Switching Action:
Main switch (M2) opens on a drop to setpoint; auxiliary switch
(M1) closes. Manually reset.
Temperature Setpoint Range:
15 to 55F (-9 to 13C), stop limits minimum to 34F (2C)
Sensing Means:
20 ft (6.1m) sensing element. Controller operates at coldest
one-foot portion of element.
Temperature Setting Means:
Slotted screw at top of device. Setpoint is indicated through
scale opening in cover.
Differential:
Nonadjustable and additive; 5F (3K)
Listing:
UL Listed
CSA Listed
Electrical Ratings (Amperes):
Pilot Duty Rating (Both Poles):
125 VA, 24 to 600V ac; 57.5 VA, 120 to 300V dc
Accessories:
Bag assemblies for immersing sensing element in water coil
(includes 1/2-14 NPT plug):
7617M 3/4 in. (19 mm) long opening for sensing element
7617ABY 1-3/8 in. (35 mm) long opening for sensing
element
CCT1802 Grommet for mounting element in hole in duct wall
CCT2600 Clips for mounting element inside duct
7640HX Kit for installing sensing element when access
into duct is not possible
Ambient Temperatures:
Case:
Maximum: 140F (60C)
Minimum: 20F (-7C) or more above setpoint
Element:
Maximum: 250F (121C)
Finish:
Gray enamel
Mounting Means:
Mounting holes under cover
Dimensions In Inches (Millimeters):
Switch Number M2 (Main)
Voltage 120V
ac
208V
ac
240V
ac
277V
ac
Full Load 16.0 9.2 8.0 —
Locked Rotor 96.0 55.2 48.0 —
Non-inductive 16.0 9.2 8.0 7.2
Switch Number M1 (Auxiliary)
Full Load 6.0 3.3 3.0 —
Locked Rotor 36.0 19.8 18.0 —
Non-inductive 6.0 6.0 6.0 6.0
4-11/16
(119)
SETPOINT
ADJUSTMENT
3-63/64
(101)
2-3/32
(53)
SETPOINT
SCALE
1/8 INCH
BY 20 FT
SENSING
ELEMENT
PUSH
TO
RESET
C277