MJK Surge And Lightning Protectors
Surge And Lightning Protectors
Water , Signal Processing
  • MJK Surge And Lightning Protectors used in applications where excessive voltages caused by lightning or other transient voltage can be expected.
  • MJK Surge Arresters are constructed with dual protection to cover both medium and high surge protection.
  • Available in Surge Arrester 2- Wire Panel, Surge Arrester 2- Wire Field, Surge Arrester 3- Wire Panel, Surge Arrester 3- Wire Field, Surge Arrester RS 485 Line Panel, Surge Arrester 230 VAC Panel Mains Arrestor, Surge Arrester PSTN Terminal Connections Panel, Surge Arrester PSTN RJ 11 Connector Panel, Surge Arrester 3- Wire Panel RS232, Surge Arresters For Magflux For Wall Mounting and Surge Arresters For Magflux For Sensor Mounting
  • Protects measuring devices from damage by conducting large power surges and short transients effectively to ground.
  • Units for protecting of 2-wire / 4 - 20 mA, 3-wire / 4 - 20 mA and telephone lines is available.
  • Surge and transient protection in accordance with Class B (intermediate protection) and Class C (primary protection).
  • Protection of telelephone lines in regions with lightning.
  • Protection of 4 - 20 mA transmitters installed at high / distant locations.
  • Protection of 3-wire ultrasonic level meters installed at high locations in regions where lightning often occurs.
  • DIN-rail mounting (Panel) or on site mounting (Field).
Surge Arrester for 2-wire Connection  
Input 4 - 20 mA
Output 4 - 20 mA
Recommended ground wire gauge min. A.W.G.
Max. forward voltage / forward resistance 30 V DC / < 50 Ω
Max. discharge current 20 kA
Temperature - 5 … + 140 °F
Enclosure

Panel: NEMA 1

Field: NEMA 4X

Mounting

Panel: DIN rail

Field: Wall or bracket

 

Surge Arrester for 3-wire Connection  
Input 4 - 20 mA
Output 4 - 20 mA
Recommended ground wire gauge min. A.W.G. 11
Max. forward voltage / forward resistance 30 V DC / <2 x 50 Ω
Max. discharge current 20 kA
Temperature - 5 … + 140 °F
Enclosure

Panel: NEMA 1

Field: NEMA 4X

Mounting

Panel: DIN rail

Field: Wall or bracket

 

Surge Arrester for Communication Line  
Input From modem or serial port
Output From communications line
Recommended ground wire gauge min. A.W.G. 11
Max. forward voltage / forward resistance 170 V for 200186 and 200187, 13 V for 200184 / < 50 Ω
Max. discharge current 20 kA
Temperature - 5 … + 140 °F
Enclosure IP 22
Mounting DIN rail

Search

Enter the terms you wish to search for.