UNIVERSAL ELECTRONIC
CONTACTOR UPGRADE
49P11-843 SURESWITCH™
FEATURES
• Microprocessor controlled sealed compressor switching.
• Line voltage brownout protection.
• Short cycle protection.
• Tricolor LED displays.
• Heavy-duty lug connectors.
• Zero chatter latching relay.
• Four-hole mounting matches mechanical contactors.
• Random start delay on power up and brownout recovery.
• Compressor test and cycle count by push-button.
Universal Electronic Upgrade for Mechanical Compressor Contactors:
5x Contactor Life, Sealed to Keep Out Ants and Debris.
SureSwitch™
TERMINAL DESIGNATIONS
24 V
240 V
C
R
Compressor
L1
L2
Line
Fan C
Hard
Cap
Accessories
CCH
Y
C
General Ratings
Amps:
40 (FLA)
Amps:
200 (LRA)
Coil: 24 VAC
Pole: 1 or 1.5
1/4" Spades
Lugs
1/4" Spades
SPECIFICATIONS
Electrical Ratings
Line Voltage Input. . . . . . . . . . . . . . . . . . .
240 VAC, 50/60 Hz
Full Load Amperes (FLA)
. . . . . . . . . . . . . 40A
Locked Rotor Amperes (LRA).
. . . . . . . . . 200A
Control (Coil) Voltage (Y,C)
. . . . . . . . . . .
24 VAC, 50/60 Hz
Recommended Terminal Torque – C, R, L1 and L2
#4 – 6 AWG . . . . . . . . . . . . . . . . . . . . . . .
45 in-lbs
#8 AWG . . . . . . . . . . . . . . . . . . . . . . . . . .
40 in-lbs
#10 - 14 AWG
. . . . . . . . . . . . . . . . . . . . . .
35 in-lbs
24 VAC (Y, C) Terminals are 1/4" Male QC's accepting #12-24 AWG wire
Timings
Anti-Short-Cycle Delay
. . . . . . . . . . . . . . .
0s or 180s (selectable) at 60 Hz
0s or 216s (selectable) at 50 Hz
Compressor Test
. . . . . . . . . . . . . . . . . . .
5s at 60 Hz
6s at 50 Hz
Dimensions. . . . . . . . . . . . . . . . . . . . . . . .
2-3/4"W x 2-3/8"H x 3-7/8"L
Operating Temperature Range
. . . . . . . . .
-40°
to 158°F
(-40 to 70°C)
Humidity Range . . . . . . . . . . . . . . . . . . . . 5 to 95% relative Humidity (non-condensing)
Tri-Color LED
Fault/Status Indicator
Short Cycle
Protection
Delay
Dipswitch
Test
Button
Crankcase Heater
Power
L2
TEST
LINE
Line
Inputs
L2
L1
Brownout
Protection
Brown
Dipswitch
Delay
Brown
ON
COUNT
L1
Thermostat
Input
C
Y
Run
Compressor
Outputs
Common
CONTROL
CIRCUIT
LOAD
Run
Common
Electrical Diagram
Count Button
Compressor/Fan
Capacitor Outputs
Hardstart
Option
Fan
Common
49P11-843 Terminals and Switches
www.white-rodgers.com
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TRANSFORMERS /
RELAYS
COOLING /
REFRIGERATION
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