Needs review
OST
No image
Specifications
- Width
- 18 mm
- Backup fuse (a)
- 25
- Rated voltage (v)
- 275
- Response time ns
- 25
- Housing material
- PBT Flame Retardant
- Protection degree
- IP20
- Connection wire max sq (mm)
- 35
- Connection wire min sq (mm)
- 2.5
- Max discharge current k (a)
- 40
- Connection wire p e max sq (mm)
- 35
- Connection wire p e min sq (mm)
- 4
- Operating temperature max c
- 85
- Operating temperature min c
- -40
- Voltage protection level kv
- 1.4
- Nominal discharge current k (a)
- 20
- Max continuous operating voltage (v)
- 275
Overview
The OST-40 surge protector is suitable for 50/60Hz, 400V and below TN-S, TN-C, TT, IT, and other power supply systems, providing protection against lightning strikes or surge overvoltages in the power grid. It features DIN rail installation, IP20 protection, and PBT flame retardant housing.
Key features
- ▸Suitable for 50/60Hz, 400V and below TN-S, TN-C, TT, IT power systems
- ▸Protection against lightning strikes or surge overvoltages
- ▸Response time ≤ 25ns
- ▸DIN rail installation
- ▸Protection degree IP20
- ▸PBT flame retardant housing
- ▸Operating temperature -40℃ ~ +85℃
- ▸Backup fuse 25A