Vestil EPT-30 - Manual (Page 70)

70
Curtis PMC 1207/1207A Manual A-15
APPENDIX A: GLOSSARY
Table B-2 SPECIFICATIONS: 1207A 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* 1207A-41XX 1207A-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
Ч 165 Ч 66 mm (4.8" Ч 6.5" Ч 2.6")
* Output current rating test conditions:
1. Controller cover installed
2. Controller mounted to 230
Ч 305 Ч 3.2 mm (9" Ч 12" Ч 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
B-2
APPENDIX B: SPECIFICATIONS