A-14
Curtis 1244 Manual, Rev. E
APPENDIX A: GLOSSARY
APPENDIX C
SPECIFICATIONS
NOMINAL ARMATURE
ARMATURE ARMATURE FIELD
BATTERY CURRENT 2 MIN 1 HOUR 2 MIN
MODEL VOLTAGE LIMIT RATING RATING * RATING
NUMBER (volts) (amps) (amps) (amps) (amps)
1244-44XX 24–36 400 400 160 60
1244-45XX 24–36 500 500 175 60
1244-46XX 24–36 600 600 190 60
1244-47XX 24–36 700 700 † 190 60
1244-54XX 36–48 400 400 140 50
1244-55XX 36–48 500 500 160 50
1244-56XX 36–48 600 600 160 50
1244-64XX 48–80 400 400 125 50
1244-65XX 48–80 500 500 140 50
1244-66XX 48–80 600 600 † 140 50
* at 25°C ambient temperature
† 1-minute rating
Table C-1 SPECIFICATIONS: 1244 CONTROLLER
Nominal input voltage 24 –36 V, 36–48 V, and 48–80V
PWM operating frequency 16 kHz
Electrical isolation to heatsink 500 V ac (minimum)
KSI input voltage (minimum) 16.8 V for 24–36 V systems
KSI input current (no contactors engaged) 160 mA without programmer; 200 mA with programmer
Logic input voltage >7.5 V High; <1 V Low
Logic input current 10 mA
Operating ambient temperature range -40°C to 50°C (-40°F to 122°F)
Heatsink overtemperature cutback 85°C (185°F)
Heatsink undertemperature cutback -25°C (-13°F)
Package environmental rating IP64 / IP67
Weight 3.9 kg (8.5 lb)
Dimensions (L×W×H) 229 × 178 × 81 mm (9.0" × 7.0" × 3.2")
APPENDIX C: SPECIFICATIONS
C-1
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