Specifications

Curtis PMC 1223/33, 1225/35, 1227/37 Manual

A-17

APPENDIX A: GLOSSARY

APPENDIX C

SPECIFICATIONS

NOMINAL

VOLTAGE UNDER-

BATTERY CURRENT 1 MIN 1 HOUR DROP VOLTAGE

MODEL VOLTAGE LIMIT RATING RATING @ 20 AMPS CUTBACK

NUMBER (volts) (amps) (amps) (amps) (volts) (volts)

1223-21XX 24 60 60 40 0.45 16

1223-24XX 24 90 90 40 † 0.30 16

1223-27XX 24 110 110 40 † 0.25 16

1223-31XX 36 45 45 30 0.45 21

1223-34XX 36 70 70 40 0.30 21

1233-21XX 24 60 60 40 0.45 16

1233-24XX 24 90 90 40 † 0.30 16

1233-27XX 24 110 110 40 † 0.25 16

1233-31XX 36 45 45 30 0.45 21

1233-34XX 36 70 70 40 0.30 21

NOTE: Current limit ratings based on a minimum 4" × 8" × 1/8" aluminum plate heatsink.

Actual value of 1-minute rating depends on MOSFET heating

(see “Temperature compensation”

in Appendix A: Glossary).

† Limited by rated main relay continuous current.

Table C-1 SPECIFICATIONS: 1223/33 CONTROLLERS

Nominal input voltage 24 V and 36 V

PWM operating frequency 15 kHz

Electrical isolation to heatsink 500 V ac (minimum)

KSI input current (typical) 100 mA without programmer; 150 mA with programmer

Logic input current (typical) 10 mA at 24 V

Auxiliary Driver 1 current 1 A (short circuit protected)

Auxiliary Driver 2 current 2 A (not short circuit protected)

Acceleration delay range 0.2 – 3.0 s

Deceleration delay range 0.2 – 3.0 s

Control input switch type momentary or on/off

Speed control signal 3-wire, 0–5kΩ; or 0–5V

Speed control type single-ended or wigwag

Operating ambient temperature range -10°C to 45°C (14°F to 113°F)

Weight 0.33 kg (0.75 lb)

Dimensions (L×W×H) 104 × 146 × 39 mm (4.10" × 5.75" × 1.53")

APPENDIX C: SPECIFICATIONS

C-1