NFS300N
- NFS Fuse Switches are designed for easy installation and to simplify swichboard construction.
- Designed and engineered in Australia, the robust NFS fuse switches performance have been proven in the extremely hot and humid conditions of Asia Pacific.
- The standard NFS fuse switches are the Front Connect version complete with unswitched neutral link.
- Back connect version and 3 pole units (without neutral link) are available on request.
- Surface mount enclosed type are also available.
- The NFS units can be used as isolators with the fitting of solid copper links.
Technical Specifications: NFS Fuse Switches (Triple Pole & Neutral)
Rated Thermal Current
300A
Rated Duty - 8 Hour
300A
Rated Duty - Uninterrupted
300A
Rated Operational Voltage (AC23B)
415VAC
Rated Insulation Voltage
690V
Neutral link
150A
Frame size
2
Rated fused short circuit current
50kA
Rated fused making current
50kA
Mechanical Endurance (min)
1600 ops
Associated Specifications
BSEN60947-3:1992, IEC947-3:1990
Performance Data to utilization Cat. AC23B
Uninterrupted Duty: (Links fitted)
480A
Rated making capacity (AC)
3000A
Rated breaking current (AC)
2400A
Rated short time withstand
10kA
Current (fitted with copper links)
for 1 sec
