Phoenix Contact PC-PV-SET4ST combiner box (1000 V, 4 MPPT)

The Phoenix Contact PC-PV-SET4ST generator combiner box is designed to protect PV installations with a voltage of up to 1000 V DC. The IP65 enclosure is equipped with factory-fitted SUNCLIX connectors and T1/T2 surge arresters for four independent MPP trackers.

The Phoenix Contact combiner box is used to protect PV module strings against DC-side surges. The product is adapted to support inverters equipped with four MPPT inputs. The design is based on a Class II polycarbonate enclosure with a transparent door for easy equipment inspection. The device allows for direct and quick cable connection thanks to the externally routed SUNCLIX standard connectors.

Key features

• Supports up to 4 MPP trackers (1 input and 1 output per tracker).
• Built-in T1 / T2 surge protection devices.
• SUNCLIX connectors for the input and output sides.
• Sealed polycarbonate enclosure with an IP65 protection rating.
• Suitable for systems with a maximum voltage of 1000 V DC.

Technical data

System voltage (Umax)	1000 V DC
Current per string (Imax)	40 A
Number of supported MPP trackers	4
Surge arrester type	T1 / T2
Voltage protection level Up	≤ 3.5 kV
Total discharge current Itotal (10/350) µs	5 kA
Total discharge current Itotal (8/20) µs	40 kA
Cable entry type	SUNCLIX
Input and output cross-section	2.5 mm² ... 6 mm²
Protection rating	IP65
Ambient temperature (operation)	-20 °C ... 55 °C
External dimensions (W x H x D)	361 x 254 x 111 mm