Curtis 1268 Manual,
Rev. D
A-9
APPENDIX A: EMC & ESD DESIGN CONSIDERATIONS
APPENDIX D: SPECIFICATIONS
D-1
APPENDIX D
SPECIFICATIONS
NOMINAL
ARMATURE
FIELD
BATTERY
2 MIN
2 MIN
MODEL
VOLTAGE
RATING
RATING
NUMBER
(volts)
(amps)
(amps)
1268-54XX
36–48
400
50
1268-55XX
36–
48
500
50
SPECIFICATIONS: 1268 CONTROLLER
Nominal input voltage
36 V or 48V
PWM operating frequency
16 kHz
Electrical isolation to heatsink
500 V ac (minimum)
Logic enable and logic power input
voltage (minimum)
16.8 V
Logic enable and logic power input
current (no contactors engaged)
160 mA without programmer; 200 mA with programmer
Logic input voltage
>20.0 V High; <7.5 V Low
Logic input current
10 mA
Operating ambient temperature range
-40°C to 50°C (-40°F to 122°F)
Heatsink overtemperature cutback
starts at 85°C (185°F); cutoff at 95°C (203°F)
Heatsink undertemperature cutback
50% armature current at -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")