Controls and Switchgear Switch Disconnectors 3

Switch Size			1250	1600	1800	2500	3150
3-Pole Catalog No.			ETSD1250K3	ETSD1600K3	ETSD1800K3	ETSD2500K3	ETSD3150K3
4-Pole Catalog No.			ETSD1250K4	ETSD1600K4	ETSD1800K4	ETSD2500K4	ETSD3150K4

Rated Insulation Voltage			1000V	1000V	1000V	1000V	1000V
Rated Operational Voltage			660V	660V	660V	660V	660V
Rated Thermal Current (AC21 at 660V AC)
	Open	40°C Ambient	1250A	1600A	1800A	2500A	3150A
	Encl	40°C Ambient	1250A	1600A	1600A	2300A	2700A
	Encl	60°C Ambient	1000A	1250A	1250A	-	-
(D21 at 220V
	Open	40°C Ambient	1250A	1600A	1600A	1600A	1600A

Rated Operational Current
	AC22/AC23 at 415V		1250/800A	1600/800A	1600/800A	1600/-A	1000/-A
	AC22/AC23 at 660V						-
	DC22/DC23 at 220V						-

Rated Operational Power
	AC23 at 415V		400kW	400kW	400kW	400kW	400kW

Switch Size			1250	1600	1800	2500	3150
3-Pole Catalog No.			ETSD1250K3	ETSD1600K3	ETSD1800K3	ETSD2500K3	ETSD3150K3
4-Pole Catalog No.			ETSD1250K4	ETSD1600K4	ETSD1800K4	ETSD2500K4	ETSD3150K4

Fused Short Circuit Current			50kA	50kA*	50kA*	50kA*	50kA*
With Back Up Fuse Rating			1000A	1250A	1250A	1250A	1250A
Maximum Peak Let Through (protected with back up fuses)			-	-	-	-	-
Short Circuit Making (peak)			105kA	105kA	105kA	105kA	105kA
Short Time Withstand
		0.1 second	60kA	60kA	60kA	110kA	110kA
		1.0 second	50kA	50kA	50kA	80kA	80kA

AC Breaking Capacity
		p.f. 0.35/415V	6400A	6400A	6400A	6400A	6400A
DC Breaking Capacity 220V (3p in series L/R=15mS)			1900A**	2600A**	2600A**	2600A**	2600A**

Capacitor Rating 415V			-	-	-	-	-
Rated Capacitor Duty Ic			-	-	-	-	-

Mechanical/Electrical Endurance (at rated operational Current p.f.0.65)			10k/0.5k operations	10k/0.5k operations	10k/0.5k operations	6k/0.5k operations	6k/0.5k operations

Weight
		3-Pole	11.5kg	15.6kg	15.6kg	36.2kg	36.2kg
		4-Pole	15.0kg	20.0kg	20.0kg	45.4kg	45.4kg

Notes:
	* With back up circuit breaker time delayed 0.5 second maximum
	** Two poles in series