2 9 J U N E 2 0 1 2
D R A F T
APPENDIX A: GLOSSARY
Curtis 1207B Manual
A-13
APPENDIX B: SPECIFICATIONS
B-1
SPECIFICATIONS: 1207B CONTROLLERS
Nominal input voltage
24 V
Maximum operating voltage
30 V
Overvoltage point
33 V
Minimum operating voltage
16 V (= undervoltage point)
Electrical isolation to heatsink
500 V ac (minimum)
PWM operating frequency
15 kHz
Output current
*
1207B-41XX
1207B-51XX
250 amps for 1 minute
300 amps for 30 seconds
200 amps for 2 minutes
210 amps for 2 minutes
150 amps for 5 minutes
160 amps for 5 minutes
100 amps for 1 hour
110 amps for 1 hour
Contactor voltage
24 V
Contactor current (maximum)
1 amp (current limit at 2 amps)
Contactor coil spike protection
internal diode to brake; internal diode from brake to KSI
Shunt driver current (maximum)
2 amps
Shunt driver spike protection
active clamp at 47 V
KSI input voltage
16–30 V
KSI input current (typical)
80 mA without programmer; 130 mA with programmer
Logic input current (typical)
10 mA at 24 V
Logic input threshold
8 V
Ambient operating temperature range
-25°C to 50°C
Heatsink overtemperature cutback
85°C
Heatsink undertemperature cutback
-25°C
Package
splash resistant
Weight
1.1 kg (2.5 lbs)
Dimensions
122
×
165
×
66 mm (4.8"
×
6.5"
×
2.6")
*
Output current rating test conditions:
1. Controller cover installed
2. Controller mounted to 230
×
305
×
3.2 mm (9"
×
12"
×
0.125") aluminum plate heatsink
3. Airflow at 4.8 km/h (3 mph) perpendicular to bottom of aluminum plate
4. Duty factor held at 60%
5. Initial heatsink temperature at 20°C
6. Ambient temperature at 20°C
7. Current held at tested rating for 120% of time before thermal cutback.
