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Description
xThe NH1 3‑Pole Fuse Switch Disconnector, 250 A is a robust, DIN‑mount solution for safe isolation and protection of low‑voltage circuits. Designed to accommodate NH1 cylindrical fuses, it features manual operation and efficient fault interruption capabilities. Suitable for both AC and DC applications, this device is ideal for industrial panels, solar PV systems, and distribution boards, offering reliable switch‑disconnect functionality up to 690 V AC and 440 V DC.
Key Features
- 3‑pole manual switch with integrated fuse holder (NH1 fuse links)
- Rated current: 250 A; voltage up to 690 V AC / 440 V DC
- Conditional short‑circuit breaking capacity up to 50–100 kA
- Certified to IEC/EN 60947‑3 and IEC 60269 standards
Specifications
xProduct Name
NH1 3‑Pole Fuse Switch Disconnector, 250 A
Rated Current
250 A
Rated Voltage
Up to 690 V AC / 440 V DC
Fuse Size
NH1 (IEC 60269‑2)
Breaking Capacity
50–100 kA (AC, system dependent)
Mounting
DIN / busbar with M10 terminals
Protection Rating
IP20 (front); options IP30/IP65
Operating Temp
–20 °C to +70 °C
Standards Compliance
IEC/EN 60947‑3; IEC 60269‑2
Optional Features
Fuse condition monitoring; auxiliary contacts
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