Curtis 1220 Manual, Rev. C
APPENDIX C
SPECIFICATIONS
APPENDIX C: SPECIFICATIONS
C-1
Table C-1 SPECIFICATIONS: 1220 CONTROLLERS
Nominal input voltage 24 V
PWM operating frequency 15.6 kHz
Electrical isolation to heatsink 500 V (minimum)
Storage ambient temperature range -40°C to 85°C (-40°F to 185°F)
Operating ambient temperature range -40°C to 50°C (-40°F to 122°F)
Package environmental rating IP65 for electronics
Weight 0.3 kg (0.7 lbs)
Dimensions, W× L×H 72 × 131 × 39 mm (2.8" × 5.2" × 1.5")
EMC Designed to the requirements of EN 12895:2000
Note: Regulatory compliance of the complete vehicle system
with the controller installed is the responsibility of the vehicle OEM.
NOMINAL 2 MIN 1 HOUR
MODEL BATTERY VOLTAGE RATING RATING BOOST
NUMBER (V) (A
rms
) (A
rms
) (A
rms
)
1220-22XX 24 40 20 50
Note: Conditions for thermal ratings are as follows: Controller mounted on 150 mm square, 6 mm thick aluminum plate, with 5 km/h
perpendicular air ow. Initial heatsink temperature = 25°C. Motor current held at rating being tested for a minimum of 120%
of rated time before start of thermal limiting.
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