MC4 PV Connector – 1000V DC, 45A, IP67 Solar Connector

Name: MC4 PV Connector, IP67 1000V 45A - ETEK Electri
SKU: PV-EK03

The PV-EK03 mc4 pv connector is a 1000V DC solar connector rated up to 45A, with IP67 sealing when mated and a snap-in locking system. Built for 2.5–6 mm² (14–10 AWG) PV cables, it delivers low-resistance, weather-resistant string connections.

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ModelPV-EK03

CategoryPv Connectors, Solar Power Connectors

AvailabilityIn stock

CE & TUV certified
Worldwide shipping
OEM & ODM support

Product Features of MC4 PV Connector

The PV-EK03 mc4 pv connector combines high electrical ratings with a sealed, flame-retardant housing designed for long outdoor service:

1000V DC rating: tested at 6 kV (50 Hz, 1 min) and classified as Safety Class II.
Up to 45A: 30A for 2.5 / 4 / 6 mm² cable (14, 12, 10 AWG) and 45A for 4 / 6 mm² cable (12, 10 AWG).
IP67 when mated, IP2X unmated: protection against dust and temporary immersion once connected.
Low contact resistance: 5 mΩ across the plug connection to limit heat and power loss.
Tin-plated copper alloy contacts: brass-based contacts with tin plating for reliable conductivity.
PC/PPO insulation, UL 94 V-0: flame-retardant housing material.
Snap-in locking system: fast, secure assembly in the field.
Wide temperature window: -40°C to +90°C (IEC) with an upper limiting temperature of +105°C.
Corrosion tested: salt mist spray test, severity 5, per IEC 60068-2-52.

Tin-plated male pin and female socket contacts (crimp type)

Commercial Applications of MC4 PV Connector

The PV-EK03 mc4 pv connector is built for commercial and utility photovoltaic systems that run at up to 1000V DC. Its IP67 sealing, IEC salt-mist testing, and wide temperature range suit rooftop and ground-mounted arrays exposed to sun, rain, dust and coastal air. Installers who standardize on a dc mc4 style plug-and-socket format should confirm mating compatibility with their module and cable brand before mixing connector makes.

Applications & Use Cases

Commercial and industrial rooftop solar arrays.
Utility-scale and ground-mounted solar farms.
Residential rooftop PV systems.
PV string cabling between modules and to combiner boxes or inverters.
Off-grid and hybrid solar installations.
Extension leads and pre-assembled solar cable harnesses.

Technical Specifications of MC4 PV Connector

The table below lists the full electrical, mechanical, and environmental data of the PV-EK03 mc4 pv connector, taken from the manufacturer datasheet.

Parameter	Value
Connector system	Φ2.5 mm, Φ4 mm, Φ6 mm
Rated voltage	1000V DC
Rated current	30A (2.5 mm², 4 mm², 6 mm²; 14 AWG, 12 AWG, 10 AWG) 45A (4 mm², 6 mm²; 12 AWG, 10 AWG)
Test voltage	6 kV (50 Hz, 1 min)
Ambient temperature range	-40°C to +90°C (IEC); -40°C to +194°F (UL)
Upper limiting temperature	+105°C (IEC)
Degree of protection, mated	IP67
Degree of protection, unmated	IP2X
Contact resistance of plug connectors	0.5 mΩ
Safety class	II
Contact material	Brass / copper alloy, tin plated
Insulation material	PC/PPO
Locking system	Snap-in
Flame class	UL 94 V-0
Salt mist spray test, severity 5	IEC 60068-2-52

Dimensions and Wiring of MC4 PV Connector

The PV-EK03 mc4 pv connector housing has a Ø19 mm body, a body length of 49.5 mm on one half and 51.5 mm on the other, and an M11.8×1.5 cable gland thread. Metal contacts come in 30A (Φ4 mm pin) and 45A crimp versions.

Housing dimensions

Dimension	Value
Body diameter	Ø19 mm
Body length (two halves)	49.5 mm / 51.5 mm
Thread section length	14.8 mm
Gland nut height	4.7 mm
Seal / washer thickness	1.9 mm
Cable gland thread	M11.8×1.5

Contact dimensions

Contact	Size	Dimensions (mm)
30A contact	Φ4 mm pin	Length 32.9 mm; crimp zone 6.8 mm
45A contact (version 1)	Length 35.2 mm	Drawing widths: 5.2, 4.5, 4.1, 6.1, 2.8, 3.9 mm
45A contact (version 2)	Length 32 mm	Drawing widths: 5.2, 3.9, 6.1, 3.4 mm

Wiring and cable compatibility

Rated current	Cable cross-section	AWG	Connector system (mm)
30A	2.5 mm², 4 mm², 6 mm²	14, 12, 10 AWG	Φ2.5 / Φ4 / Φ6
45A	4 mm², 6 mm²	12, 10 AWG	Φ4 / Φ6

Always match the contact type to the cable cross-section, use a suitable crimping tool, and lock the snap-in connection fully before energising the string.

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