PV Junction Box - CNC 8 Circuits 1,000 V DC PV Junction Box, 8 Inputs / 8 Outputs, 50 A, IP66, Polycarbonate
Product reference: 14-6942367528787

8-input, 8-output 1000V DC PV module junction box for connecting and isolating solar power plant circuits. It has 50A DC switches, 40kA surge arresters, polycarbonate IP66 housing with UL94 V-0 flammability rating, MC4 connector and lockable handle; dimensions 528 × 458 × 358 mm.

PV Junction Box - CNC 8 Circuits 1,000 V DC PV Junction Box, 8 Inputs / 8 Outputs, 50 A, IP66, Polycarbonate

Product reference: 14-6942367528787

8-input, 8-output 1000V DC PV module junction box for connecting and isolating solar power plant circuits. It has 50A DC switches, 40kA surge arresters, polycarbonate IP66 housing with UL94 V-0 flammability rating, MC4 connector and lockable handle; dimensions 528 × 458 × 358 mm.

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531,43 €
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CNC 8-string 1000 V DC photovoltaic system junction box


8-input and 8-output 1000 V DC photovoltaic system junction box for connecting and isolating solar photovoltaic module circuits. It is equipped with 50 A DC switches and 40 kA surge arresters. The polycarbonate housing is IP66 and UL94 V-0 rated, has MC4 connectors, and a lockable handle. Dimensions - 528 × 458 × 358 mm.


  • Designed for solar photovoltaic systems with 8 input and 8 output circuits operating at voltages up to 1000 V DC.
  • Provides DC circuit isolation and surge protection using lockable 50 A circuit breakers and 40 kA surge arresters.
  • Durable, UV-resistant, UL94 V-0 flame retardant polycarbonate housing, suitable for outdoor installation.
  • The kit includes MC4 connectors and a durable arc extinguishing chamber for safer control of photovoltaic circuits.

Product features

Product type DC photovoltaic system junction box
Photovoltaic system configuration 8 circuits input and 8 circuits output
Housing material UV-resistant polycarbonate
Enclosure protection class IP66, dust and water protection
Flame resistance UL94 V-0
Connectors MC4 compatible connectors
Housing dimensions 528 × 458 × 358mm

Electrical specifications

Maximum DC voltage 1000V DC
Maximum output current 50 A
Short-circuit current per input 15-30 A, configurable
DC switches 4 × 50 A, 1000 V DC
Switch features Lockable handle and arc extinguishing chamber
Surge arresters 8 × 1000 V DC surge arresters
Maximum discharge current 40kA
Rated discharge current 20kA
Voltage protection level 3.6 kV
Surge arrester response time <25ns

Installation and usage information

Input cable glands PG09, suitable for 2.5-16 mm cables
Output cable glands PG21, suitable for 2.5-16 mm cables
Operating temperature −25°C-+60°C
Applicable standards IEC 60529, UL 508i, IEC 60947-3, IEC 61643-31 and EN 50539-11+A1
Safety warning For use in 1000 V DC photovoltaic systems only. Installation may only be carried out by qualified personnel. Before opening or performing maintenance, disconnect the device and check for DC voltage. Follow the applicable electrical safety regulations and installation instructions.

Height400mm
Length150mm
Weight4500 grams
Width300mm
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