- Star-delta timer 
- 8 Pins plug type 
- High capacity MOTOR start timer 
- Instantaneous contact output, start contact output, DELTA contact output. 
- Various power supply voltage (100 – 240 V AC 50/60 Hz, 24 – 240 V DC Dual usage)

Suffix code

Model	Code	Information
MA4		Analog multi timer (STAR-DELTA Timer), 48 (W) x 48 (H)mm
Control output	SD	Y-? output, ? output
	SDI	Instantaneous output, Y-? output, ? output

Specification

Model		MA4SD	MA4SDI
Power supply voltage		100 - 240 V a.c 50/60 Hz, 24 – 240 V d.c
Allowable voltage		Power supply voltage ±10 %
Power consumption		Approx. 3.8 VA (100 - 240 V a.c 60 ?), Approx. 1.9 W (24 – 240 V d.c)
Resetting time		100 ms max
Operating time range		1 ~ 300 sec
Y-? Operating time range		Repeated error : ±0.3 % max, Setting error : ±5 % max, Voltage error : ±0.5 % max, Temperature tolerance : ±2 % max (Percentage of full scale)
? Conversion time error		±25 % max
Control output	Output mode	Power ON Start
	Contact composition	Y-? Contact : 1 a, ? Contact : 1 a	Y-? Contact : 1a, ? Contact : 1 a, Instantaneous contact : 1 a
	Contact capacity	250 V a.c 5 A resistive load
Relay Life span		Mechanical : 5 million times min, Electrical : 100 thousand times min  (250 V a.c 5 A resistive load)
Insulation resistance		100 ? min (at 500 V d.c Between current-carrying teminals and exposed noncurrent -carrying metal parts.)
Dielectric strength		2000 V a.c 50/60 ? 2 minute (Between current-carrying terminal and exposed noncurrent-carrying metal parts.)
Noise immunity		±2 kV (Between power terminal, pulse width ±1 ?, square wave noise by noise simulator)
Vibration resistance		10 - 55 ? (For 1 min), Double amplitude 0.75mm, X,Y,Z each direction for 1 hour
Shock resistance		300 ? (30G) X, Y, Z each direction for 3 times
Ambient temperature		-10 ~ 55 ? (icing or dew condensation not allowed)
Storage temperature		-25 ~ 65 ? (icing or dew condensation not allowed)
Ambient humidity		35 ~ 85 % R.H.
Weight		Approx. 95g (Including fixing bracket)