Carling
Technologies
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LD-Series Electronic Dimmer Control
LD-Series Electronic Dimmer Control
The NEW LD-Series represents a dynamic breakthrough in
dashboard technology, programmable circuitry, superior
design, and unparalleled performance that will afford seam-
less integration into most any dash panel. A Variety of
options, along with superior performance, functionality, and
aesthetics assure compliance with most any customer
requirement. In addition, our integrated design can provide
savings by reducing the need for insulated wires and con-
nectors.
Dielectric Strength
1000V - live to dead metal parts
Electrical Life
50,000 cycles
Mechanical Life
100,000 cycles
Operating Temperature
-40°C to +85°C
Electrical
Contact Rating . . . . . . . . 4 amps, 14 VDC
7 amps, 14 VDC
10 amps, 14 VDC
2 amps, 28 VDC
3.5 amps, 28 VDC
5 amps, 28 VDC
Contacts . . . . . . . . . . . . . Solid State
Terminals . . . . . . . . . . . . .250 (6.3mm) Quick Connect termi-
nations standard.
EMI/EMC . . . . . . . . . . . . Per SAE J 1113 & SAE J 1455
Reverse Polarity. . . . . . . . .24VDC for 5 minutes
Dielectric Strength. . . . . . . .A potential of 1000V @ 60Hz was
applied to each unit for one minute.
The voltage was increased from 0
to 1000V at a rate of 500V per sec-
ond and then reduced from 1000V
to 0 at a rate of 500V per second.
No noticeable signs of flashover,
arcing or perforation were evident.
All units operated properly both
before and after test.
Mechanical
Endurance . . . . . . . . . . . 100,000 cycles minimum
Actuation Force. . . . . . . . . 300 grams ± 50 grams
Physical Characteristics
Lighted . . . . . . . . . . . . . . LED - internally dimmed, rated
100,000 hours 1/2 life
Base . . . . . . . . . . . . . . . PBT Polyester with V-0 flammability
rating
Actuator . . . . . . . . . . . . . Polycarbonate or Nylon 6/6 glass
filled
Bracket . . . . . . . . . . . . . . PBT Polyester with V-0 flammability
rating
Connector . . . . . . . . . . . . .Nylon 6/6 toughened
Function . . . . . . . . . . . . . . Incremental or continuous dimming
Operation . . . . . . . . . . . . . Momentary
Weight . . . . . . . . . . . . . . . 52 grams
Environmental
Operating Temperature . . . -40° C to + 85° C
Vibration . . . . . . . . . . . . . Resonance Search
Individual resonance searches were
conducted with vibration applied
along each of the three mutually
perpendicular axes. 24-50 Hz 0.40
DA; 50-2000 ±10 G’s peak
Random Vibration
The random vibration endurance
test conditions were sequentially
conducted in each of the three
mutually perpendicular axes,
1hr/axis. 9.36 Grms
Frequency (Hz) PSD (G 2 /Hz)
24 Hz 0.06
60 Hz 0.50
100 Hz 0.50
1000 Hz 0.025
2000 Hz 0.025
During this test, all units were oper-
ated at a load current of 2A with
12.5 VDC.
Shock . . . . . . . . . . . . . . . Per Mil-Std 202F, Method 213B,
Test Condition K @ 30G’s. Tested
with connector. Test criteria - No
loss of circuit during test, pre, & post
test contact resistance.
Salt Spray . . . . . . . . . . . . Per Mil-Std 202F, Method 101D,
Test Condition A, 96 Hrs.
Thermal Shock . . . . . . . . Per Mil-Std 202F, Method 107F, Test
Cond. A, -55°C to 85°C. Test criteria
- pre & post test contact resistance
Moisture Resistance . . . . Per Mil-Std 202F, Method 106E,
Test Criteria - pre and post test con-
tact resistance.
Dust . . . . . . . . . . . . . . . . Per Mil-Std 810C, Method 510.2 Air
velocity 300± 200 ft/min, test dura-
tion 16 hr.
Temperature Cycle. . . . . . .Temperature Cycle . . . . . .
.According to SAE J1455,
Sec. 4.1.3.1 (See Figure below)
T
85 ° C
NOTES:
For more detailed specifications, consult factory.
amb
-40 ° C
70
www.carlingtech.com
4
16
24
hour
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