protectors  (11,858 offers of 5,747,600 product items)

Protective plug PT with protective circuit for a 4-core floating signal circuit. Nominal voltage: 24 V DC

Base element for protective plug PT, for mounting on NS 35/7.5 and NS 35/15, housing width: 17.5 mm

surge protection connector type 2 with series connection consisting of varistor and gas-filled spark gap for VAL-MS base element, thermal monitoring, visual fault warning. Design: 350 V AC

Surge protection plug for the base element, normal mode voltage coarse and fine protection for two floating signal wires and ground in IT, common mode voltage coarse protection to ground/earth. Des...

Surge voltage arrester combination 4-channel, for mounting on NS 35/7.5, with remote indicator contact as PDT, voltage 230 V AC

Surge voltage arrester combination 4-channel (in the 3+1 circuit), for mounting on NS 35/7.5, voltage 230 V AC

PT protective plug with protective circuit for higher signal voltages, 2-channel. Nominal voltage: 230 V AC

Combination of type 2 surge protection and arrester backup fuse, with monitoring of arrester and arrester backup fuse, in combination with a status indicator and remote indication contact. Design: ...

Combination of type 2 surge protection and arrester backup fuse, with monitoring of arrester and arrester backup fuse, in combination with a remote indication contact. Design: 3-conductor system (L...

Replacement plug for surge arresters from the VALVETRAB SEC product range for L-N and L-PEN paths.

Plug-in lightning current arrester, in accordance with Type 1/Class I, with integrated surge-proof fuse, for 1-phase power supply networks with combined PE and N installed in one conductor (L1, PEN).

Plug-in lightning current arrester, in accordance with Type 1/Class I, with integrated surge-proof fuse, for 3-phase power supply networks with combined PE and N installed in one conductor (L1, L2,...

Replacement plug for type 2/3 surge protection from the PLT-SEC-…-UT/PT product series. Nominal voltage 120 V.

Replacement plug for lightning current arresters from the FLASHTRAB SEC product range, for the N-PE path.

Type 2/3 surge protection, consisting of protective plug and base element with Push-in connection. For single-phase power supply network with integrated status indicator and remote signaling. Nomin...