Pot Control Models: LT-252-400-4, LT-270-400, LT-2100-400
Voltage Control Models: LT-253-400, LT-253A-400, LT-273-400, LT-2103-400
These converters transform an unregulated 115 VAC 400 Hz to a regulated and adjustable DC output via a remote control potentiometer or voltage for voltage controlled models.
The LT-2XX-400 Series is a pulse width-modulated AC to DC converter that provides regulated DC power output. The LT-2XX-400 Series is primarily designed to control the light intensity of incandescent bulbs in vehicle lighting systems. For special orders any two combinations of LT-52A, LT-53, LT-70, LT-73, LT-100 and LT-103 dimmer units may be configured in a single box.
Features
State of the art design for regulation and positive logic for output overvoltage protection.
Other LT-2XX-400 Series available in various output voltage and power ratings in the same package, or special units can be provided for various output combinations.
A panel mount trim pot is provided for the voltage control series to control 0-5 VDC output via 0-3 to 0-5 VDC.
A test jack is provided to monitor output voltage.
Designed to meet various applicable portions MIL-STD 704 notice 3, MIL-STD-202 and MIL-T-5422F class 1A.
The Model LT-2XX-400 Series is serviceable, small and lightweight (42 watts per pound and 1.7 watts per cubic inch)
Specifications:
Input Voltage:
115 VAC ± 10% @ 400 Hz.
Output Voltage:
Adjustable with external 5K ohm, 1/2W rheostat or voltage 0-3 VDC to 0-5 VDC.
Regulation:
2% for line, 2% load and 2% temperature.
Output Ripple:
25 mVp-p or less.
Protection (Overload):
Input and output currents pulse when overload exceeds approximately 125% of rating.
Protection (Overvoltage):
Output voltage is limited to approximately 125% of rating eventhough remote control rheostat opens or internal failure occurs.
Temperature:
-55°C to +71°C (sufficient cooling required @ +71°C ambient)
Altitude:
55,000 Feet.
Size:
6.5" L x 6.7" W x 2.4" H. 16.5 cm L x 17 cm W x 6 cm H
