Protection & Monitoring

131 products

DC and AC protection devices for solar photovoltaic systems, covering everything needed to protect an inverter, batteries and panels from fault conditions.PV combiner ... Read more ↓

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  • Solis S5-WiFi-ST WiFi Data Logger 4-Pin for up to 10 Inverters

    Solis

    Solis S5-WiFi-ST WiFi Data Logger 4-Pin for up to 10 Inverters

    €30,95inc VAT €25,79exc VAT

    In stock

  • Mersen NH00 160A Battery Fuses & DC Disconnector Set

    Mersen

    Mersen NH00 160A Battery Fuses & DC Disconnector Set

    €76,95inc VAT €64,13exc VAT

    In stock

  • Eastron SDM630MCT Three Phase Energy Meter with CT Clamps

    Eastron

    Eastron SDM630MCT Three Phase Energy Meter with CT Clamps

    From€79,95inc VAT €66,63exc VAT

    In stock

  • Pylontech RS232 to USB Battery Cable | Solar Assistant

    Voltacon

    Pylontech RS232 to USB Battery Cable | Solar Assistant

    €30,95inc VAT €25,79exc VAT

    In stock

  • Web Server II Modbus 5Vdc Monitor for Hybrid Inverters | Voltacon

    Voltacon

    Web Server II Modbus 5Vdc Monitor for Hybrid Inverters | Voltacon

    €72,95inc VAT €60,79exc VAT

    Out of stock

  • Single Phase DIN Rail Energy Meter 40mA CT Modbus | Eastron SDM120CTM

    Eastron

    Single Phase DIN Rail Energy Meter 40mA CT Modbus | Eastron SDM120CTM

    €62,95inc VAT €52,46exc VAT

    In stock

  • Automatic ATS Transfer Switch 63A 2 Pole | Voltacon

    Voltacon

    Automatic ATS Transfer Switch 63A 2 Pole | Voltacon

    €68,95inc VAT €57,46exc VAT

    Out of stock

  • DC Isolator 63A 2-Pole 600V Din Rail | Voltacon Solar PV

    Voltacon

    DC Isolator 63A 2-Pole 600V Din Rail | Voltacon Solar PV

    From€26,95inc VAT €22,46exc VAT

    In stock

  • 63A 4-Pole DC Isolator 1200V | Voltacon Din Rail Switch

    Voltacon

    63A 4-Pole DC Isolator 1200V | Voltacon Din Rail Switch

    From€26,95inc VAT €22,46exc VAT

    In stock

  • Solar PV String Current Monitoring System | Voltacon HS-PV5-MU4

    Voltacon

    Solar PV String Current Monitoring System | Voltacon HS-PV5-MU4

    From€79,95inc VAT €66,63exc VAT

    In stock

  • Mersen MULTIBLOC 400A NH Fuse Switch Disconnector | W1002129

    Mersen

    Mersen MULTIBLOC 400A NH Fuse Switch Disconnector | W1002129

    From€199,95inc VAT €166,63exc VAT

    In stock

  • Solar PV Combiner Box 4 In 4 Out 600V DC | Surge Protection

    Voltacon

    Solar PV Combiner Box 4 In 4 Out 600V DC | Surge Protection

    €410,95inc VAT €342,46exc VAT

    In stock

  • Solar Assistant Monitor for Growatt SPF Inverters | Raspberry Pi 4

    Voltacon

    Solar Assistant Monitor for Growatt SPF Inverters | Raspberry Pi 4

    €188,95inc VAT €157,46exc VAT

    In stock

  • AC Isolator Switch 4-Pole 230V-440V 63A IP65 | BENY BYAF-63

    Voltacon

    AC Isolator Switch 4-Pole 230V-440V 63A IP65 | BENY BYAF-63

    €31,95inc VAT €26,63exc VAT

    In stock

  • Wi-Fi Monitoring Box for InfiniSolar & Voltasol Hybrid Inverters

    Voltacon

    Wi-Fi Monitoring Box for InfiniSolar & Voltasol Hybrid Inverters

    €76,95inc VAT €64,13exc VAT

    In stock

  • 160A Motorised Automatic Transfer Switch | GAVE Electro Y-Series

    GAVE Electro

    160A Motorised Automatic Transfer Switch | GAVE Electro Y-Series

    €525,95inc VAT €438,29exc VAT

    In stock

  • DC MCCB Circuit Breaker 500V 2-Pole for Solar PV & Batteries

    Voltacon

    DC MCCB Circuit Breaker 500V 2-Pole for Solar PV & Batteries

    From€108,95inc VAT €90,79exc VAT

    In stock

  • 200A Motorised Automatic Transfer Switch | GAVE Electro Y-Series

    GAVE Electro

    200A Motorised Automatic Transfer Switch | GAVE Electro Y-Series

    €615,95inc VAT €513,29exc VAT

    In stock

  • 250A Motorised Automatic Transfer Switch | GAVE Electro Y-Series

    GAVE Electro

    250A Motorised Automatic Transfer Switch | GAVE Electro Y-Series

    €693,95inc VAT €578,29exc VAT

    In stock

  • Consumer Unit for Solar Inverters 1kW to 5kW | Chint RCD MCB

    Chint

    Consumer Unit for Solar Inverters 1kW to 5kW | Chint RCD MCB

    €50,95inc VAT €42,46exc VAT

    In stock

  • DC Isolator Switch for 2 Solar Strings IP66/67 | Kraus & Naimer

    Kraus & Naimer

    DC Isolator Switch for 2 Solar Strings IP66/67 | Kraus & Naimer

    From€44,95inc VAT €37,46exc VAT

    Pre-order

  • Fire-Rated AC Switch Disconnector 25A-250A F300/F400 | GAVE Electro

    GAVE Electro

    Fire-Rated AC Switch Disconnector 25A-250A F300/F400 | GAVE Electro

    From€125,95inc VAT €104,96exc VAT

    In stock

  • Solar PV Combiner Box 7kW IP65 AC/DC Enclosure | Voltacon

    Voltacon

    Solar PV Combiner Box 7kW IP65 AC/DC Enclosure | Voltacon

    €368,95inc VAT €307,46exc VAT

    In stock

  • Solar Panel Tester Multimeter 800W MPPT | Voltacon

    Voltacon

    Solar Panel Tester Multimeter 800W MPPT | Voltacon

    €82,95inc VAT €69,13exc VAT

    In stock

About Protection & Monitoring

DC and AC protection devices for solar photovoltaic systems, covering everything needed to protect an inverter, batteries and panels from fault conditions.

PV combiner boxes bring together DC fuses, DC isolators and cable glands on a standard DIN rail, letting you protect multiple parallel strings in a solar array from one enclosure. String fuses and holders from GAVE Electro are rated at 1000V in 12A, 15A and 20A versions, with terminals accepting up to 10mm² flexible or 16mm² solid cable, and are built to interrupt the low-fault currents typical of PV arrays.

Kraus & Naimer DC isolators give you manual isolation between the PV array and inverter on grid-tied and off-grid systems, fitted close to the inverter and sized against the string's Voc and Isc figures. AC isolators from the same range provide manual isolation between inverter and grid or AC loads, fitted next to the consumer unit as required on every installation. Arc fault circuit interruption combiner boxes are also included for installations that need this extra layer of protection.