Manual

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 × 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

B-2

APPENDIX B: SPECIFICATIONS