Electrical Material for Systems and Photovoltaics

Electrical material

The "Electrical Material" category on the MR WATT website includes all the essential products and components for creating, integrating, or enhancing electrical systems and energy systems, both in the photovoltaic sector and in general electricity and DIY applications.

Single-phase AC Panel 3 kW 16A Photovoltaic
Single-phase AC protection panel for photovoltaic systems from 1 to 3 kW, 16 A 230 V. Integrates a 300 mA Class A residual current circuit breaker with overcurrent protection, in/out configuration and Class II SPD surge arrester 2P 230 V 15 kA.12-module IP65 box, supplied with single-line diagram and declaration of conformity. It does not include interface protection: it is designed for systems below the 11,08 kW threshold.
€193.60 Tax escl.
Single-Phase AC Panel 5 kW 25A Photovoltaic
Single-phase AC protection panel for 3 to 5 kW photovoltaic systems, 25 A 230 V. Integrates a 300 mA Class A RCBO and Class II SPD surge arrester 2P 230 V 15 kA.12-module IP65 box with single-line diagram and declaration of conformity. It is a protection and disconnection panel: the interface protection remains the one integrated in the inverter.
€186.04 Tax escl.
Single-Phase AC Panel 6 kW 32A Photovoltaic
Single-phase AC protection panel for 5 to 6 kW photovoltaic systems, 32 A 230 V: the maximum size allowed on a single-phase connection. It integrates a Class A 32 A 300 mA residual current circuit breaker with overcurrent protection, switch in in/out configuration, and Class II 2P 230 V 15 kA SPD surge protector.Compact IP65 8-module box with single-line diagram and declaration of conformity.
€144.83 Tax escl.
15 kW Interface Panel CEI 0-21 Test Report
Three-phase interface panel from 12 to 15 kW, 25 A 400 V, compliant with CEI 0-21 for one inverter. Integrates the Interface Protection System (SPI), the contactor interface device, the Class A residual-current circuit breaker with overcurrent protection, and the surge arrester.36-module IP65 box, supplied with single-line diagram, declaration of conformity, and SPI test report: the three documents required by the distributor for connection.
€1,325.35 Tax escl.
Interface Cabinet 16/20 kW CEI 0-21 Test Report
Three-phase QAC 16/20 kW interface cabinet for PV systems from 16 to 20 kW, 32 A at 400 V, compliant with the Italian standard CEI 0-21.Pre-wired and factory tested: it houses the main breaker, interface device, interface protection system and surge arrester in a 36-module IP65 class II enclosure. Supplied with wiring diagram, declaration of conformity and SPI test report.
€1,519.81 Tax escl.
25 kW Interface Panel CEI 0-21 Test Report
Three-phase interface panel from 21 to 25 kW, compliant with CEI 0-21, with Interface Protection System (SPI) and test report included: mandatory above the 11,08 kW threshold, where the protections built into the inverter are no longer sufficient for the distributor.IP65 enclosure in insulation class II, 36 DIN modules, 440 × 460 × 140 mm.
€2,087.00 Tax escl.
Interface Panel 30 kW 50A CEI 0-21 IP66
Three-phase interface panel from 26 to 30 kW, 50 A 400 V, compliant with CEI 0-21. Integrates a main device with 63 A Class A residual-current block, backup trip coil (DDR), 50 A AC-3 DDI contactor, SPI relay and 4P SPD surge arrester.Fibreglass IP66 class II enclosure, 72 modules. Supplied with single-line diagram, declaration of conformity and SPI test report.
€2,172.16 Tax escl.
Interface Cabinet 36/44 kW CEI 0-21 IP66
Three-phase QAC 36/44 kW interface cabinet for PV systems from 36 to 44 kW, compliant with the Italian standard CEI 0-21.54-module enclosure, 480x540x220 mm, IP66 class II: it integrates main device, interface device, interface protection and surge arrester in a single pre-wired, factory-tested unit. Supplied with wiring diagram, declaration of conformity and SPI test report.
€3,296.92 Tax escl.
Interface Panel 55 kW 100A CEI 0-21 IP66
Three-phase interface panel from 45 to 55 kW, 100 A, compliant with CEI 0-21 for industrial photovoltaic systems connected in low voltage. SPI relay calibrated and tested at the factory, with SPI test report included.IP66 class II enclosure with 96 DIN modules (540 × 640 × 240 mm): enough spare space for meters, monitoring auxiliaries and future expansions.
€2,905.74 Tax escl.
Interface panel 70 kW 125A CEI 0-21 IP66
Three-phase interface panel from 56 to 70 kW, 125 A, compliant with CEI 0-21: the largest size in the low-voltage series. SPI relay calibrated and tested at the factory with SPI test report included.IP66 class II enclosure with 96 DIN modules (540 × 640 × 240 mm). Check on the distributor's quotation that the connection point is in LV: in medium voltage a CEI 0-16 solution is required.
€6,003.01 Tax escl.
6/8 kW Three-Phase 16A IP65 Photovoltaic AC Panel
Three-phase AC panel 6/8 kW for protecting the AC line downstream of the photovoltaic inverter: IMTD 4x16 A class A 300 mA and class II SPD surge arrester 4P 400 V - 15 kA in an IP65 18-module box, with single-line diagram and declaration of conformity Di.co. Does not contain SPI or DDI contactor: on systems up to 11,08 kW, the interface protection integrated in the inverter is sufficient according to CEI 0-21.
€480.55 Tax escl.
SPI Interface Panel 95 kW 160A CEI 0-21
CEI 0-21 interface panel for photovoltaic systems from 75 to 95 kW on one inverter, rated current 160 A at 400 V. Includes SPI, 140 A-AC3 DDI contactor, IMTD 4x160 A-10 kA with DDR backup, inverter protection IMT, SPD surge arrester and fuse holders dedicated to SPI power supply and measurements, in IP66 enclosure with 140 modules. Supplied with single-line diagram, Di.co and SPI test report.
€6,397.44 Tax escl.
AC Photovoltaic Switchboard 8/11 kW Three-Phase 20A IP65
Three-phase AC panel 8/11 kW with IMTD 4x20 A class A 300 mA, IMT input/output switch-disconnector and class II SPD surge arrester 4P 400 V - 15 kA in an IP65 18-module box, with single-line diagram and Di.co. It is the last size in the series that remains below the 11,08 kW threshold of the simplified CEI 0-21 procedure: it does not include an SPI or DDI contactor, because at this power level the inverter interface protection is sufficient.
€489.64 Tax escl.