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03 April 2008

Exhibition at Stonehaven on VAAL... read more...


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Lamp Test Cards

LT110-110A  110VAC
LT220-220A  220VAC

These lamp test cards are designed for driving discrete LED's in situations where heat production is to be kept to a minimum which would exclude the use of a resistor dropper cards.

Features:
• Lamp test function
• Constant LED Current over specified voltage range
• Low heat production
• Spike rejection
• Simple DIN rail mounting

Specifications:
Voltage range:           110, 220V AC ±10%
Output current /LED:   ~17mA
ORDER No.
24V DC IS STANDARD
RAISING CLAMP TERMINALS OR BOATED DIN RAIL MOUNTABLE

5 WAY     43(W)x70(H)

10 WAY   67(W)x70(H)

20 WAY   120(W)x70(H)

40 WAY   220(W)x70(H)

Available in: 12, 24, 48, 110 & 220VDC (AND SPECIALS ON REQUEST)

TYPICAL DIAGRAMS FOR LEDs  (FOR LAMPS THERE ARE NO RESISTORS)

Lamp Test
P.Button                         FIELD

                                             NEG. COMMON

TYPE A
NEG. COMMON - POS. SWITCHING



Lamp Test
P.Button                           FIELD
                                           POS. COMMON
TYPE B
POS. COMMON - NEG. SWITCHING
 OTHER OPTIONS