IEC Fuse Switch Disconnectors
It suitable for high short circuit with AC 50(60)Hz, rated voltage 400V/690V, and rated current 630A. It could use as power switch, isolating switch and emergency switch in distribution board and for protecting current. Their contacting parts are used copper T3 and the cover is made of flame retardant plastic.
- Product Details
- Parameter
- Product Acessories
- Download
-
- The IEC Fuse Switch Disconnectors has passed the standard of IEC and got the certification.
Fuse-Switch-Disconnectors, developed according to International Standard IEC 60947-3 and bearing CE certification, are applied in electric circuits in general to provide the disconnection and protection against short circuits and overloads by means of NH blade contact fuses.
There are versions for fuses NH000 up to NH3 with rated currents of 100A up to 630A, respectively.
Model DNH7-160A DENH7-250A DNH7-400A DNH7-630A Fuse NH00(NT00) NH1(NT1) NH2(NT2) NH3(NT3) Rated Operational Voltage Ue V 400 500 690 400 500 690 400 500 690 400 500 690 Rated Operational Current Ie A 125 160 125 250 200 400 315 630 500 Thermal Current W/Fuse Link Ith A 160 250 400 630 Rated Insulation Voltage Ui V 1000 Rated Impulse Withstand Voltage Uimp V 8000 Fuse Protected Short Circuit Making KA Ms 50 Rated Making And Breaking Capacity AC23B AC22B AC21B AC23B AC22B AC21B AC23B AC22B AC21B AC23B AC22B AC21B Rated Frequency Hz 50/60 50/60 50/60 50/60 Power Loss At Im Without Fuse-Link/Phase W 12W 23W 34W 48W Electrical Durability 200 200 200 200 Mechanical Durability 1400 1400 800 800 Degree Of Protection Open IP20 IP20 IP20 IP20 Closed IP30 IP30 IP30 IP30 
The IEC Fuse Switch Disconnectors proves that the quality of product is high. It could provide safe isolation for the circuit, ensuring circuit breaking and safe operation when in the open position. And it protect the switch by using a fuse in different current.
1 Touch protection IP 20 – when fuse link is in test mode IP rating is maintained
2 Parking position of switch operating cover even with fuse-links inserted
3 Electronic or electro-mechanic fuse monitoring – optional
4 Modular system of cover – cover for cable termination area can be extended as required
5 Varieties of cable termination: screw, bolt, clamp strap, extendable for V-terminal – optional
6 Padlocking and sealing of switch door cover – optional
7 Indicating switch for switch door position – optional
8 Installation on to DIN rails in accordance with EN 60 715 – optional
9 Installation on to 100mm bus bar system with adapter
10 Safe on load connection/disconnection in accordance with IEC 60947-3
- The IEC Fuse Switch Disconnectors has passed the standard of IEC and got the certification.
