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L.V. HRC Strip Type Fuse Switch

Electrical Characteristics			DNHT 00	DNHT 1	DNHT 2	DNHT 3
Rated operational voltage	Ue	V	AC500	AC500	AC500	AC500
Rated operational current	le	A	160	250	400	630
Conventional free air thermal current with fuses	Ith	A	160	250	400	630
Conventional free air thermal current with links	Ith	A	210	325	520	1000
Rated frequency	-	Hz	50	50	50	50
Rated insulation voltage	-	-	800	800	800	800
Rated Conditional short - circuit current	-	kAeff	50	50	50	50
Utilization category	-	A	AC-22B	AC-22B	AC-22B	AC-22B
Rated making capacity	-	A	480	750	1200	1890
Rated breaking capacity	Pv	kV	480	750	1200	1890
Operating cycles withcurrent	Ui	V	200	200	200	200
Total power loss at Ith	lcv	-	20	23	38	75
Rated impulse withstand voltage(without fuse )	U¡mp	W	6	6	6	6

Fuse			DNHT 00	DNHT 1	DNHT 2	DNHT 3
Size to DIN 43620	-	-	0	1	2	3
Max. rated current (gL/gG)	IN	A	160	250	400	630
Max. permissible power lose per fuse - link	Pv	W	12	23	34	48

Mechanical Charecteristic			DNHT 00	DNHT 1	DNHT 2	DNHT 3
Operating cycles without current	-	-	1400	1400	800	800
Weight	-	kg	2,15	5	6,1	6,8
Busbar distance	mm	-	185	185	185	185

Cable Conneections				DNHT 00	DNHT 1	DNHT 2	DNHT 3
Flat Terminal	Bolt diameter	-	-	M8	M10	M10	M12
	Cable lug( DIN 46235)	-	mm	10 to 70	2x240	2x240	2x240
	Flat bar	-	Nm	20x10	2x40x5	2x40x5	2x40x10
	Tightening torque	Ma	mm2	14	32	32	32
Terminal					VK	VK 400	VK 630
	Clamping cross - section	-	mm2	16 to 70	70 -185se	70 -185se	150 -300se
	Tightening torque	Ma	Nm	4	22	22	22
Terminal				K	RK 250	RK 400	RK 630
	Clamping cross - section	-	mm2	2x6-35	50-150se	50 -185 se	2x50 -185se
	Tightening torque	Ma	Nm	8	22	22	22
Terminal				PR	DRK 250	DRK400	DRK 630
	Tightening torque	-	mm²	10 to 95	2x50 -185se	2x50 -185se	2x50 -185se
	Clamping cross -section	Ma	Nm	4	22	22	22

Type of Protec.			DNHT 00	DNHT 1	DNHT 2	DNHT 3
Front side Operational State	-	-	IP 30	IP 30	IP 30	IP 30
Device fitted Front cover open	-	-	IP 10	IP 10	IP 10	IP 10

Oper. Conditions			DNHT 00	DNHT 1	DNHT 2	DNHT 3
Ambient temperature	Tu	°C	-25 to +55
Rated operating mode	-	-	Continuous operations
Actuation	-	-	Dependent Manuel operation
Mounting position	-	-	Vertical and horizontal
Altitude	-	m	Up to 2000
Pollution degree	-	-	3
Over voltage category	-	-	III	III	III	III

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