Curtis 1212 Manual
APPENDIX D
SPECIFICATIONS
APPENDIX D: SPECIFICATIONS
D-1
NOMINAL 20 SECOND 2 MINUTE PEAK MAX BOOST CURRENT
MODEL BATTERY VOLTAGE CURRENT RATING CURRENT RATING BOOST CURRENT DURATION
NUMBER (volts) (amps) (amps) (amps) (seconds)
1212-22xx 24 45 40 55 10
1212-24xx 24 70 50 80 10
Note: All current ratings are rms values per motor phase. Internal algorithms
automatically reduce maximum current limit when heatsink temperature
is >80°C or battery voltage is outside the allowed limits. Heatsink
temperature is measured internally near the power MOSFETs.
Table D-1 SPECIFICATIONS: 1212 CONTROLLER
Nominal input voltage 24 V
PWM operating frequency 15.6 kHz
Electrical isolation to heatsink (min.) 500 V
Minimum motor resistance 160 mΩ (45 amp models); 120 mΩ (70 amp models)
B+, B- logic pin current (max.) 9 A (pins 7 and 13 on 14-pin connector)
KSI input current (typical) 80 mA
Logic input current (typical) 1 mA
Horn output current (max.) 15 mA
BDI output voltage, resistance (max.) 0–5 V, 10 k
Ω
LED output current (max.) 15 mA
Electromagnetic brake coil resistance (min.) 32
Ω
Throttle type resistance or voltage;
single-ended, inverted single-ended, wigwag, inverted wigwag, or unipolar
Storage ambient temperature range -40°C to 65°C (-40°F to 149°F)
Operating ambient temp. range -25°C to 50°C (-13°F to 122°F)
Heatsink overtemperature linear cutback starts at 80°C (176°F);
complete cutoff at 105°C (221°F)
Heatsink undertemperature cutback starts at -10°C (14°F)
and is reduced linearly to 50% at -25° (-13°F)
Undervoltage cutoff 14 V
Overvoltage cutoff 34 V
Package environmental rating ISTA 2A; electronics sealed to IPX5
Weight 0.3 kg (0.7 lbs)
Dimensions (W× L×H) 72 × 131 × 39 mm (2.8" × 5.2" × 1.5")
Regulatory compliance Designed to meet EN 12184, EN 55022, IEC 610004, and ISO 7176-14
FDA documentation filed
TÜV Certification pending.
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