Circuit Protection

Fuse holders, voltage protectors and surge protective devices for AC and DC distribution.

DC fuse holders for string and battery-circuit protection.

Adjustable overvoltage, undervoltage and overcurrent protection on DIN rail.

Type 1+2 and Type 2 surge protective devices for PV DC systems.

ON-T2-DC

The ONSLE ON-T2-DC is a pluggable DC surge protective device family with /2P and /3P variants.…

ONPD

The ONPD Series covers six continuous operating voltage levels from 500 VDC to 1500 VDC. Buyers…

ON-T1T2-DC

The ONSLE ON-T1T2-DC/3P is a pluggable T1+T2 DC surge protective device for PV and low-voltage DC…

ONVR3

Configure the protection logic, not only the current rating

ONRPV-32

In PV combiner boxes and DC distribution panels, component size, wiring access and maintenance convenience directly…

ONRPV-63

The ONRPV-63 is useful when a standard compact fuse holder is not enough for the circuit…

ONRPV-125

Some PV cabinets need more than a compact fuse holder. The ONRPV-125 is made for those…