Prekidači prema normi UL 489

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Prekidači prema normi UL 489

Proizvodi za nadstrujnu zaštitu, čija upotreba je obavezna u Sjevernoj Americi. Prekidači su u skladu sa američkim standardom UL i kanadskim standardom te imaju oznaku UL. Namijenjeni su za zaštitu linije napajanja i strujnog kruga potrošača.

Kompaktni prekidači prema normi UL 489 NF-U Ovi prekidači su usklađeni s normama UL 489 i CSA C22.1No.5.

Type						NF125-UV	NF250-UV	NF400-UEW	NF800-UEW
Rated data	Rated current I n [A] at ambient temperature				40 °C	15, 20, 30, 40, 50, 60, 75, 100, 125 Fixed	125, 150, 175, 200, 225, 250 Fixed	200–400 Adjustable	500–1000 Adjustable
	Number of poles					3/4	3/4	3/4	3/4
	Rated insulation voltage U i [V]				AC	690	690	690	690
	Rated breaking capacity [kA] ( I cu / I cs )	IEC/EN 60947-2		AC (50/60 Hz)	690 V	10/10	15/15	35/35	25/13
					500 V	200/200	200/200	170/170	65/33
					440 V	200/200	200/200	200/200	85/43
					400 V	200/200	200/200	200/200	85/43
					230 V	200/200	200/200	200/200	125/63
				DC	250 V	—	—	B	B
	Utilization category					A	A	5/0.25	20/0.3
	Rated impulse withstand voltage U imp [kV]					8	8	8	8
	Pollution degree					3	3	3	3
	Reverse connection					O	O	O	O
	Suitable for isolation					O	O	O	O
Mechanical data	Dimensions [mm]		a	90/120	105/140	140/280	210/280
			b	191	240	297/322	406
			c	68	68	200	140
			ca	92	92	252	190
	Weight [kg]					1.5/1.9	2.7/3.7	16.7/26.1	23.5/30.7
	Cassette- type accessories	Alarm switch			(AL)	O	O	O	O
		Auxiliary switch			(AX)	O	O	O	O
		Shunt trip			(SHT)	O	O	O	O
		Undervoltage trip	Non-synchronous closing		(UVT-N)	O	—	O	O
		Undervoltage trip	Synchronous closing		(UVT-S)	—	O	O	O
	Accessories connection	With terminal block			(SLT)	O	O	O	O
	Accessories connection	With internal terminal type				O	O	O	O
	Installation and connection	Front	Screw terminal (standard)			O	O	O	O
			Solderless terminal			O	O	O	—
			Busbar terminal			—	—	O /—	—
		Rear			(B)	O	O	O	O
		Plug-in	Rear		(PM)	—/ O	—	O	O
		Plug-in	Rear front IP 20 with auto trip		(PM-IP)	O /—	O /—	—	O
	Built-in accessories	Pre-alarm-contact output ^a			(PAL)	—	—	—	O
	Built-in accessories	Overcurrent trip alarm ^a			(OAL)	—	—	—	O
External accessories	External operating handle	Door mounting			(V)	O	O	O	O
	External operating handle	Mounted on breaker			(R)	O	O	O	—
	Electrical operation device				(MDS)	O	O	O	O
	Handle lock device	Handle lock for use with padlock			(HL)	O	O	O	—
		Handle lock for use with padlock			(HL-S)	O	O	O	O
		Lock cover			(LC)	O	O	O	O
	Terminal cover	Large			(TC-L)	O	O	LR, GL, BV, AB	LR, GL, AB
		Small			(TC-S)	O	O	Electronic	Electronic
		For rear connection			(BTC)	O	O	Equipped	Equipped
		For plug-in			(PTC)	O	O	O	O
	Mechanical interlock				(MI)	O	O	O	O
	Insulating barrier	Between phases (Standard)			(BA-F)	O	O	O	O
	Adapter for IEC 35 mm rail					—	—	O /—	O
Others	CE marking					Self-declaration	Self-declaration	Self-declaration	Self-declaration
	CCC recognition					—	—	Recognized	Recognized
	Automatic tripping device					Thermal-magnetic	Thermal-magnetic	Thermal-magnetic	Thermal-magnetic
	Trip button					Equipped	Equipped	Equipped	Equipped

a Both PAL and OAL is not available. Only one specified. b Others on request. c On request. d Use of 3- or 4-pole breaker for DC, see wiring diagram on the next page. Missing specifications accord. to IEC/EN 60947-2 on request.

Kompaktni prekidači za zaštitu od zemljospoja prema normi UL 489 NV-U

Ova vrsta prekidača je usklađeni s normama UL 1053 i CSA C22.1No.144.