Specifications

Curtis 1204M/05M/09M/21M Manual
APPENDIX C
APPENDIX C: SPECIFICATIONS
C-1
SPECIFICATIONS: 1204M/05M/09M/21M CONTROLLERS
Nominal input voltage Model specific (see below): 24 – 36 V, 36 – 48 V, 48 – 72 V, 60–72 V
PWM operating frequency 15.6 kHz
Electrical isolation to heatsink (min.) 24 – 36 V and 36 – 48 V models: 500 VAC
48 – 72 V and 60 – 72 V models: 1000 VAC
KSI input current (no contactors engaged) 70 mA without programmer; 130 mA with programmer
Logic input current < 2 mA
Status LED output current (max.) < 2 mA
Throttle types 2-wire rheostats: 0–5k
Ω, 5kΩ–0, 1kΩ–0, 4.6kΩ–0, 5.5kΩ–0
Voltage throttles: 0–5V, 6.3 –10.6 V, 6 –12 V
ITS throttle
3-wire potentiometer: 0–5k
Ω
Operating ambient temperature range -40°C to 50°C
Storage ambient temperature range -40°C to 85°C
Package environmental rating ISTA 2A; electronics sealed to IP54
Dimensions (L
× W×H), Weight 1204M: 173 × 146 × 77 mm, 2.3 kg
1205M: 199
× 146 × 77 mm, 2.7 kg
1209M: 229
× 180 × 80 mm, 3.8 kg
1221M: 281
× 180 × 80 mm, 4.9 kg
Regulatory compliance Designed to the requirements of EN 12895 and EN 61000.
Note: Regulatory compliance of the complete vehicle system
with the controller installed is the responsibility of the OEM.
MODEL CHART
NOMINAL BATTERY
CURRENT RATING
MODEL VOLTAGE 2 MINUTE 5 MINUTE 1 HOUR
NUMBER (V) (A) (A) (A)
1204M-4201 24 – 36 275 200 125
1204M-6301 48 – 72 325 225 140
1204M-6302 * 48 – 72 325 225 140
1205M-4601 24 – 36 400 275 175
1205M-5603 36 – 48 500 ** 350 200
1205M-6B403 60 – 72 400 ** 275 175
1209M-5501 36 – 48 450 300 200
1209M-6401 48 – 72 400 275 175
1221M-6701 48 – 72 550 375 225
* This model has no A2 busbar. ** 1 minute rating.
Note: Current rating tests conducted with controller mounted to 1/8"×12"×12" aluminum plate;
continuous 1.34 m/s airflow applied perpendicular to back of plate;
ambient air temperature held near 25°C.