CNC MC4 Y-Type Connector 1000V PV-LTY2 | Solar Branch Connector

CNC MC4 Y-Type Connector 1000V PV-LTY2

The CNC MC4 Y-Type Connector PV-LTY2 is designed for branching compatible solar PV DC connections where a standard straight MC4 connector is not sufficient.

With a rated voltage of 1000V DC and rated current of 30A, this Y-type solar connector is suitable for properly designed residential, commercial and photovoltaic installations requiring a neat and weather-resistant branch connection.

For Pakistani solar installations, small DC components such as connectors deserve the same attention as panels and inverters. Poor-quality or incorrectly assembled solar joints can increase resistance, create unwanted heating and lead to maintenance problems on the rooftop.

Key Features of CNC PV-LTY2 MC4 Y Connector

• Brand: CNC Electric
• Model: PV-LTY2
• Product Type: MC4 Y-Type Solar Connector
• Rated Voltage: 1000V DC
• Rated Current: 30A
• Connector System: Φ4mm
• Protection Degree: IP67
• Contact Material: Tin-plated copper alloy
• Insulation Material: PC/PA
• Locking System: Snap-in
• Safety Class: Class II

What Is an MC4 Y-Type Connector?

An MC4 Y-Type connector is a photovoltaic branch connector used where compatible solar DC cables or PV strings need a branch-style connection instead of a simple straight male-to-female joint.

Its Y-shaped configuration provides a clean connector-based branching arrangement while maintaining the locking and sealing characteristics expected from properly assembled solar connectors.

For ordinary inline solar cable joints rather than branching, use a standard
CNC MC4 6mm 1500V Solid Pin Connector.

MC4 Y Connector for Solar Panels

Solar installations often require extension, branching or combining arrangements between PV modules and downstream DC equipment.

The CNC PV-LTY2 provides a purpose-designed connector solution for compatible branch connections rather than relying on loose cable joints, improvised terminals or unsuitable connectors.

This can help installers build a cleaner and more serviceable rooftop solar wiring system when the connector is used according to the PV system design.

1000V DC Rating for Solar PV Systems

Solar PV strings can operate at much higher DC voltages than ordinary low-voltage electrical circuits. Components used on the DC side must therefore carry a suitable DC voltage rating.

The CNC PV-LTY2 is rated for 1000V DC, making it suitable for compatible photovoltaic systems operating within the connector’s specified voltage limits.

A 1000V rating is a maximum equipment rating. It does not mean every solar array should be designed to operate at 1000V. The actual PV open-circuit voltage, temperature conditions and inverter limits must all be considered during system design.

30A MC4 Y-Type Solar Connector

The published rated current for the PV-LTY2 is 30A.

The connector should only be used where the expected current, conductor size and solar-array configuration remain compatible with the connector and system design.

When multiple PV strings are combined, the resulting current must be calculated correctly rather than assuming that every Y-connector arrangement automatically remains within the connector’s current rating.

Why Connector Contact Quality Matters

Solar connectors remain energized for long periods whenever the PV array is producing power. A poor electrical contact can create additional resistance, which may lead to heating and energy loss.

The CNC PV-LTY2 uses tin-plated copper-alloy contacts, while the snap-in locking system helps maintain a secure mechanical connection when correctly assembled.

The connector still depends on correct cable preparation, crimping and assembly. Even a quality connector can perform poorly if installed incorrectly.

IP67 Protection for Rooftop Solar Installations

The CNC PV-LTY2 carries an IP67 protection rating.

This is relevant to Pakistani rooftop installations exposed to dust, rain, strong sunlight and seasonal temperature changes.

However, the connector’s environmental protection depends on correct assembly. Damaged seals, loose glands or incorrect cable sizing can reduce the effectiveness of the finished connection.

MC4 Y Connector vs Standard MC4 Connector

If you only need a straight cable joint, consider the
CNC MC4 Connector 6mm 1500V
instead of adding unnecessary branching hardware.

Where Can an MC4 Y-Type Connector Be Used?

• Residential rooftop solar systems
• Commercial PV installations
• Solar panel string connections
• PV cable branching
• Compatible combiner-side cable arrangements
• Solar DC extension and branch wiring
• Professional photovoltaic installation work

Does an MC4 Y Connector Replace a Combiner Box?

Not always.

A Y-type connector can provide a simple branch connection, but larger solar arrays may require dedicated combiner equipment with fuses, breakers, surge protection and isolation according to the system design.

The correct method depends on the number of PV strings, string current, inverter inputs and applicable protection requirements.

Does the Y Connector Provide Circuit Protection?

No. The MC4 Y-Type connector performs an electrical connection and branching function.

It does not replace overcurrent, short-circuit or surge protection equipment.

For higher-current DC circuit protection, view the
CNC YeM6-125PV 125A 1000V DC MCCB
available at Electrified.pk.

Correct Installation of MC4 Y Connectors

• Confirm the PV system voltage before installation.
• Verify that the expected current remains within the connector rating.
• Use compatible solar cable and connector components.
• Crimp contacts using a proper PV crimping tool.
• Verify positive and negative polarity before connection.
• Fully engage the snap-in locking system.
• Inspect seals and cable entries before energizing the PV string.
• Avoid connecting visibly incompatible MC4-style connector families.

Can I Connect Two Solar Strings With an MC4 Y Connector?

A Y-type MC4 connector can be used in compatible PV branching arrangements, but combining strings changes the current flowing downstream.

The PV strings should have compatible electrical characteristics, and the resulting current must remain within the limits of the connector, cable, inverter input and associated protective equipment.

Do not parallel solar strings simply because the connectors physically fit together.

MC4 Y Connector and Solar DC Breaker Protection

When solar strings are branched or combined, appropriate DC protection becomes particularly important because multiple sources can contribute current into a fault.

For higher-current DC applications requiring molded-case protection, see the
CNC 125A 1000V DC MCCB.

Breaker, fuse and connector selection should always follow the actual PV string design rather than a generic solar-system size recommendation.

MC4 Y Type Connector Price in Pakistan

The price of an MC4 Y-Type connector in Pakistan varies according to brand, voltage rating, current rating, contact material and product quality.

Electrified.pk offers the CNC PV-LTY2 1000V MC4 Y-Type Connector for compatible residential and commercial solar PV applications. Check the live product page for current pricing, stock and available promotional discounts.

Customers comparing an MC4 Y connector, solar Y connector, PV branch connector or MC4 solar splitter should select the connector according to the actual PV string configuration rather than choosing only by price.