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UNIVERSAL ELECTRONIC
CONTACTOR UPGRADE SURESWITCH™
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PAGES
197–198
79
COOLING /
REFRIGERATION
SureSwitch™
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 23/8”H x 37 /8”L
Operating Temperature Range . . . . -40 ° to 158°F (-40 to 70°C)
Humidity Range 5 to 95% relative Humidity (non-condensing)
Y C
24 V
1/4" Spades
L1 L2
240 V
Lugs 1/4" Spades
Line
C R
Compressor
Fan C Hard Cap CCH
Accessories
CONTROL
CIRCUIT
L2
L1
Run
Common LOAD
LINE
Electrical Diagram
49P11-843 Terminals and Switches
TEST
Tri-Color LED
Fault/Status Indicator
Count Button Hardstart
Option
Fan
Common
Compressor/Fan
Capacitor Outputs
Short Cycle
Protection
Delay
Dipswitch
Brownout
Protection
Brown
Dipswitch
C
Y
Thermostat
Input
Test
Button
Crankcase Heater
Power
Line
Inputs
L1
L2
Run
Common
Delay
Brown
ON
COUNT
Compressor
Outputs
49P11-843 SURESWITCH™
Universal Electronic Upgrade for Mechanical Compressor Contactors.
5x Contactor Life, Sealed to Keep Out Ants and Debris
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.
TERMINAL DESIGNATIONS
Model
Number Coil Line Voltage Input Amp Rating Poles
49P11-843 24 VAC 240 VAC 40 FLA, 200 LRA 1 or 1.5