1250A-4S-400 is a 1250A series general duty AC surge protective device. Designed to protect high-risk electrical service entrance and branch panels. This SPD is intended to be installed at the front end of the installation, in the main switchboard, close to sensitive terminals or in installation without LPS (lighting rods). Typical applications are electrical service entrance, branch panels, all power circuits, heavy industrial and EV charging stations.
- 50KA maximum discharge current rating (large surge energy capability)
- DIN rail mountable and pluggable module for easy replacement
- Complies with UL 1449 and IEC/EN 61643-11 standards
- Pluggable module for easy replacement
- Remote signalling capability and visual fault indicator
- Compact design ideal for limited spaces
- Four protected poles
- 277/480V, 347/600V operating voltage
- High reliability protected MOV with advanced thermal disconnector (TD+)
- IP 20 environmental rating and operating temperature range from -40 to 85°C
Product details
| Suppressor Type:
Mains Surge Protector
|
| No. of Poles:
4 Pole
|
| SPD Type:
Type 2 & 4
|
| Peak Surge Current:
50kA
|
| Continuing Operating Voltage Max:
420VAC
|
| Suppressor Mounting:
DIN Rail
|
| Product Range:
1250A Series
|
| Plug Type:
IEC 61643-11
|
Other details
| Brand |
BOURNS |
| Part Number |
1250A-4S-400 |
| Quantity |
Each |
| Technical Data Sheet EN |
 |
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