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

    Eastron

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

    £61.95inc VAT £51.63exc VAT

    In stock

  • Growatt Shine WiFi-F USB Monitoring Stick | Hybrid & Off-Grid

    Growatt

    Growatt Shine WiFi-F USB Monitoring Stick | Hybrid & Off-Grid

    £38.85inc VAT £32.38exc VAT

    In stock

  • Automatic Transfer Switch 100A 4-Pole 3-Phase ATS | Voltacon

    Voltacon

    Automatic Transfer Switch 100A 4-Pole 3-Phase ATS | Voltacon

    £99.75inc VAT £83.13exc VAT

    In stock

  • Single Phase DIN Rail Energy Meter 100mA CT Modbus | Eastron SDM120CTM

    Eastron

    Single Phase DIN Rail Energy Meter 100mA CT Modbus | Eastron SDM120CTM

    £61.95inc VAT £51.63exc VAT

    Available to order

  • Solis S3-WiFi-ST Data Logger for SolisCloud Remote Monitoring

    Solis

    Solis S3-WiFi-ST Data Logger for SolisCloud Remote Monitoring

    £38.85Save 29%£27.30inc VAT £22.75exc VAT

    Out of stock

  • Solar PV Rapid Shutdown Combiner Box 6-String 1500V 50A | Voltacon BFS-S4

    Voltacon

    Solar PV Rapid Shutdown Combiner Box 6-String 1500V 50A | Voltacon BFS-S4

    £283.50inc VAT £236.25exc VAT

    Available to order

  • Solar Assistant Comms Cable Set | Deye SunSynk Sol-Ark

    SunSynk

    Solar Assistant Comms Cable Set | Deye SunSynk Sol-Ark

    £38.85inc VAT £32.38exc VAT

    In stock

  • Victron Cerbo GX MK2 Communications Centre | BPP900451100

    Victron Energy

    Victron Cerbo GX MK2 Communications Centre | BPP900451100

    £191.09Save 12%£167.98inc VAT £139.98exc VAT

    In stock

  • DC Switch Disconnector Single String IP66/67 | Kraus & Naimer

    Kraus & Naimer

    DC Switch Disconnector Single String IP66/67 | Kraus & Naimer

    From£57.33inc VAT £47.78exc VAT

    Available to order

  • RS232 to USB Cable 2m for Solar Assistant | Voltronic Inverters

    Voltacon

    RS232 to USB Cable 2m for Solar Assistant | Voltronic Inverters

    £30.45inc VAT £25.38exc VAT

    In stock

  • NH Fuse Switch Disconnector Up to 630A | Mersen

    Mersen

    NH Fuse Switch Disconnector Up to 630A | Mersen

    From£159.86inc VAT £133.22exc VAT

    In stock

  • PV Surge Protection Device Class II 1000V 2-Pole | GAVE Electro

    GAVE Electro

    PV Surge Protection Device Class II 1000V 2-Pole | GAVE Electro

    £87.10inc VAT £72.58exc VAT

    In stock

  • ABB S802PV-M32-H DC Isolator Switch 1000V 32A 2-Pole

    ABB

    ABB S802PV-M32-H DC Isolator Switch 1000V 32A 2-Pole

    £93.45inc VAT £77.88exc VAT

    In stock

  • 14'' 1080P IPS Portable Monitor HDMI USB-C | Solar Assistant Display

    Voltacon

    14'' 1080P IPS Portable Monitor HDMI USB-C | Solar Assistant Display

    £82.95inc VAT £69.13exc VAT

    In stock

  • Solar Assistant Monitoring Platform for Hybrid Solar Inverters | Voltacon

    Voltacon

    Solar Assistant Monitoring Platform for Hybrid Solar Inverters | Voltacon

    £198.45inc VAT £165.38exc VAT

    In stock

  • 100A 2-Pole Single Phase Change Over Switch IP66/67 | Kraus & Naimer

    Kraus & Naimer

    100A 2-Pole Single Phase Change Over Switch IP66/67 | Kraus & Naimer

    £124.95inc VAT £104.13exc VAT

    In stock

  • Acrel ACR10R-D16TE Single Phase Energy Meter RS485 CT

    Acrel

    Acrel ACR10R-D16TE Single Phase Energy Meter RS485 CT

    £66.05inc VAT £55.04exc VAT

    In stock

  • Inverter Parallel Kit 24V for Axpert 3kVA-5kVA | Voltacon

    Voltacon

    Inverter Parallel Kit 24V for Axpert 3kVA-5kVA | Voltacon

    £57.33inc VAT £47.78exc VAT

    In stock

  • ABB OVR T2 PV 40-1500 P QS DC Surge Protection Device

    ABB

    ABB OVR T2 PV 40-1500 P QS DC Surge Protection Device

    £44.00inc VAT £36.67exc VAT

    Out of stock

  • Mersen NH00 160A Battery Fuses & DC Disconnector Set

    Mersen

    Mersen NH00 160A Battery Fuses & DC Disconnector Set

    £76.01inc VAT £63.34exc VAT

    In stock

  • AC Surge Protector Type 2 3-Phase 4-Pole 40kA | Citel DS440-230/G

    GAVE Electro

    AC Surge Protector Type 2 3-Phase 4-Pole 40kA | Citel DS440-230/G

    £125.69inc VAT £104.74exc VAT

    In stock

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

    Voltacon

    Wi-Fi Monitoring Card for InfiniSolar & Voltasol Hybrid Inverters

    £76.07inc VAT £63.39exc VAT

    Out of stock

  • Automatic ATS Transfer Switch 63A 2 Pole | Voltacon

    Voltacon

    Automatic ATS Transfer Switch 63A 2 Pole | Voltacon

    £68.25inc VAT £56.88exc VAT

    In stock

  • 125A Motorised Automatic Transfer Switch | GAVE Electro Y-Series

    GAVE Electro

    125A Motorised Automatic Transfer Switch | GAVE Electro Y-Series

    £500.54inc VAT £417.12exc 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.