Installation procedure for quick fit connectors

4...6mm

2

5.5...7.5mm

There are typically four different types of quick-fit connector models used on ABB inverters: Weidmüller PV-Stick or WM4, MultiContact MC4 and Amphenol H4.

Refer to the document “String inverter – Product Manual appendix” available at www.abb.com/solarinverters to know the brand and the model of the quick fit connector.

The model of connectors installed on your inverter must be matched by the same model of the respective corresponding parts to be used (checking the conforming corresponding part on the manufacturer’s website).

Using corresponding parts that are not compliant with the quick fit connector models on the inverter could cause serious damage to the unit and lead to invalidation of the warranty.

CAUTION: To avoid damage to the equipment, when attaching cables, pay particular attention to polarity.

1. WEIDMÜLLER PV-Stick quick fit connectors

Installation of Weidmuller connectors does not require any special tooling.

- Strip the cable to which you want to apply the connector (after verifying that it complies with the connector limits)

- Insert the wire into the connector until you hear a locking “click”

15...16.5mm

Click !

3 ... 4 Nm

0 !

- Tighten the knurled ring nut for optimal clamping

4...6mm

2

6...7mm 7mm 2. WEIDMÜLLER WM4 quick fit connectors

Installation of Weidmüller WM4 connectors requires crimping to be carried out with suitable equipment.

- Strip the cable to which you want to apply the connector (after verifying that it complies with the connector limits).

- Apply the terminal to the conductor using suitable crimping pliers.

Weidmüller CTF PV WM4 (1222870000)

- Insert the cable with the terminal into the interior of the connector, until you hear the click indicating that the terminal is locked inside the connector.

Click

- Firmly tighten the cable gland using the relevant tool to finish the operation.

2.0÷2.5 Nm WEIDMÜLLER SET MULTI-TOOL PV (1217280000)

4...6mm

2

5.5...9mm 12mm 3. MULTICONTACT MC4 quick fit connectors

Installation of Multicontact MC4 connectors requires crimping to be carried out with suitable equipment.

- Strip the cable to which you want to apply the connector (after verifying that it complies with the connector limits).

- Apply the terminal to the conductor using suitable crimping pliers.

Multi-Contact 32.6020-19100

- Insert the cable with the terminal into the interior of the connector, until you hear the click indicating that the terminal is locked inside the connector.

Click

- Firmly tighten the cable gland using the relevant tool to finish the operation.

2.5 Nm

Multi-Contact 32.6024

4...6mm

2

7.6...9.3mm 7mm 4. AMPHENOL H4 quick fit connectors

Installation of Amphenol H4 connectors requires crimping to be carried out with suitable equipment.

- Strip the cable to which you want to apply the connector (after verifying that it complies with the connector limits).

- Apply the terminal to the conductor using suitable crimping pliers.

Amphenol H4TC0002

- Insert the cable with the terminal into the interior of the connector, until you hear the click indicating that the terminal is locked inside the connector.

Click

- Firmly tighten the cable gland using the relevant tool to finish the operation.

2.6÷2.9 Nm

Amphenol H4TW0001