2403338
STRING COMBINER BOX, 1KV/40A, 1X1 STRING
- Manufacturer: PHOENIX CONTACT
- Product type: Controller Accessories
- SVHC: No SVHC (04-Feb-2026)
- Product Range: -
- Current Rating: 40A
| Delivery and price | |
|---|---|
| Units per pack | 1 |
| Price | 185.65 € |
| Current stock | 10+ |
| Lead time | 30 days |
https://www.phoenixcontact.com/gb/products/2403338 ## String combiner box (SCB) - SOL-SC-1ST-0-DC-1MPPT-2001 - 2403338 Please be informed that the data shown in this PDF Document is generated from our Online Catalog. Please find the complete data in the user's documentation. Our General Terms of Use for Downloads are valid (http://phoenixcontact.com/download) String combiner box for photovoltaic systems up to 1000 V DC for the connection of 1x 1 string. With surge protection and SUNCLIX DC connector for the input and output side. ## Product Description The Solarline string combiner boxes (SCBs) are used in both small rooftop systems and large ground-mounted systems. Their functions include collecting and protecting strings and, if necessary, separating the panels from the rest of the system by means of a switch disconnector or fire service switch disconnector. ## Your advantages Fast installation and startup - Large portfolio of string combiner boxes in stock - Application-oriented consultation Standard-compliant switchgear and controlgear assembly, thanks to use of DIN EN 61439 ## Key Commercial Data |Packing unit|1 pc|1 pc||||||||||| |---|---|---|---|---|---|---|---|---|---|---|---|---| |||||||||||||| |GTIN||||||||||||| |||||||||||||| |GTIN|4055626370521|||||||||||| |Weight per Piece (excluding packing)|1,100.000 g|||||||||||| |Custom tariff number|85363030|||||||||||| |Country of origin|Germany|||||||||||| ## Technical data ## System parameter |System voltage|1000 V DC (Umax)| |---|---| |Number of string inputs|1| |Current per string (max.)|40 A (Imax)| |Number of outputs|1 (per MPP tracker)| |Number of supported MPP trackers|1| 02/27/2020 Page 1 / 10 https://www.phoenixcontact.com/gb/products/2403338 ## String combiner box (SCB) - SOL-SC-1ST-0-DC-1MPPT-2001 - 2403338 ## Technical data Safety equipment |Safety equipment|Safety equipment| |---|---| |Surge protective device<br>T2<br>Protection level Up<br>≤ 3.7 kV<br>Total discharge current Itotal(8/20) µs<br>40 kA<br>~~——~~|| |Cable entry|| |Type of cable entry<br>SUNCLIX<br>Cable cross section string input<br>2.5 mm² ... 6 mm²<br>Cable cross section output<br>2.5 mm² ... 6 mm²<br>Cable cross section grounding<br>16 mm² (2x)<br>Sealing area grounding<br>6 mm ... 12 mm (2x)<br>~~SSS~~|| |General data|| |Material cover/door<br>Polycarbonate (transparent)<br>Housing material<br>Polycarbonate<br>Degree of protection<br>IP65<br>Protection class<br>II<br>~~—_—S=SS===~~|| |Dimensions|| |Outer dimensions: width, height, depth|130 mm x 180 mm x 111 mm (Housing dimensions)| |Ambient conditions|| |Ambient temperature (operation)|-20 °C ... 55 °C| ## Drawings 02/27/2020 Page 2 / 10 https://www.phoenixcontact.com/gb/products/2403338 ## String combiner box (SCB) - SOL-SC-1ST-0-DC-1MPPT-2001 - 2403338 Schematic diagram Schematic diagram Connection of the protective grounding conductor Connection of the protective equipotential bonding conductor 02/27/2020 Page 3 / 10 https://www.phoenixcontact.com/gb/products/2403338 ## String combiner box (SCB) - SOL-SC-1ST-0-DC-1MPPT-2001 - 2403338 Connection diagram Schematic application drawing 02/27/2020 Page 4 / 10 https://www.phoenixcontact.com/gb/products/2403338 ## String combiner box (SCB) - SOL-SC-1ST-0-DC-1MPPT-2001 - 2403338 Dimensional drawing Housing dimensions 02/27/2020 Page 5 / 10 https://www.phoenixcontact.com/gb/products/2403338 ## String combiner box (SCB) - SOL-SC-1ST-0-DC-1MPPT-2001 - 2403338 Circuit diagram Connection of the remote indication contact on the surge protection 02/27/2020 Page 6 / 10 https://www.phoenixcontact.com/gb/products/2403338 ## String combiner box (SCB) - SOL-SC-1ST-0-DC-1MPPT-2001 - 2403338 Schematic diagram Connection of the PV string Schematic diagram Connection to the inverter ## Classifications eCl@ss eCl@ss 10.0.1 27142422 ~~|~~ 02/27/2020 Page 7 / 10 https://www.phoenixcontact.com/gb/products/2403338 ## String combiner box (SCB) - SOL-SC-1ST-0-DC-1MPPT-2001 - 2403338 ## Classifications ## eCl@ss |eCl@ss 5.1|eCl@ss 5.1|27371890| |---|---|---| |eCl@ss 7.0|eCl@ss 7.0|27142422| |eCl@ss 8.0|eCl@ss 8.0|27142422| |eCl@ss 9.0|eCl@ss 9.0|27142422| ## ETIM |ETIM 4.0|ETIM 4.0|EC000816| |---|---|---| |ETIM 5.0|ETIM 5.0|EC000268| |ETIM 6.0|ETIM 6.0|EC000268| |ETIM 7.0|ETIM 7.0|EC000268| ## Accessories Accessories ## Photovoltaic connector ## Protective cap - PV-C PROTECTION CAP - 1785430 Photovoltaic connector, Range of articles: PV-JB TF, Protective cap, color: black, number of positions: 1 ## ~~a~~ ## Photovoltaic Y-distributor - PV-ED6/Y-120(2+/1-) - 1030649 Photovoltaic connector, Photovoltaic Y-distributor, housing material: PPE, color: black. Assembled with SUNCLIX - 1x male (minus) - 2x female (plus); length of single cable 0.12 m, varying number of nodes and customer-specific cable lengths are available on request. ## ~~il,~~ ## Photovoltaic Y-distributor - PV-ED6/Y-120(1+/2-) - 1030650 Photovoltaic connector, Photovoltaic Y-distributor, housing material: PPE, color: black. Assembled with SUNCLIX - 1x female (plus) - 2x male (minus); length of single cable 0.12 m, varying number of nodes and customer-specific cable lengths are available on request. 02/27/2020 Page 8 / 10 https://www.phoenixcontact.com/gb/products/2403338 ## String combiner box (SCB) - SOL-SC-1ST-0-DC-1MPPT-2001 - 2403338 ## Accessories Connector - PV-CF-S 2,5-6 (+) - 1774674 Photovoltaic connector, Range of articles: PV-CF-S, Connector, housing material: PPE, color: black, number of positions: 1, min. conductor cross section: 2.5 mm², max. conductor cross section: 6 mm², rated current: 27 A, Connection method: Spring-cage, Type of contact: Socket. can only be released using a tool Connector - PV-CM-S 2,5-6 (-) - 1774687 Photovoltaic connector, Range of articles: PV-CM-S, Connector, housing material: PPE, color: black, number of positions: 1, min. conductor cross section: 2.5 mm², max. conductor cross section: 6 mm², rated current: 27 A, Connection method: Spring-cage, Type of contact: Pin. can only be released using a tool ## Photovoltaic connector, Range of articles: PV-CF-S, Connector, housing material: PPE, color: black, number of positions: 1, min. conductor cross section: 6 mm², max. conductor cross section: 16 mm², rated current: 40 A, Connection method: Spring-cage, Type of contact: Socket. can only be released using a tool ## Connector - PV-CM-S 6-16 (-) - 1790797 Photovoltaic connector, Range of articles: PV-CM-S, Connector, housing material: PPE, color: black, number of positions: 1, min. conductor cross section: 6 mm², max. conductor cross section: 16 mm², rated current: 40 A, Connection method: Spring-cage, Type of contact: Pin. can only be released using a tool ## Photovoltaic adapter set - PV-AS-MC4/6-150-MN-SET1 - 1079531 Photovoltaic connector, Photovoltaic adapter set, type: Adapter, color: black, rated current: 35 A, cable length: 150. Adapter pair (+- / -+), assembled with SUNCLIX - 1 x pin (minus) and MC4 - 1 x socket (plus) or with SUNCLIX - 1 x socket (plus) and MC4 - 1 x pin (minus), free cable length: 0.15 m, cable type: multi-standard (UL/PV1-F), customerspecific cable length available on request ## Replacement plug 02/27/2020 Page 9 / 10 https://www.phoenixcontact.com/gb/products/2403338 ## String combiner box (SCB) - SOL-SC-1ST-0-DC-1MPPT-2001 - 2403338 ## Accessories Type 2 surge protection plug - VAL-MS 1000DC-PV-ST - 2800624 Replacement plug for PV arrester combinations from the VAL-MS 1000DC-PV-... product range Phoenix Contact 2020 © - all rights reserved http://www.phoenixcontact.com 02/27/2020 Page 10 / 10
Updated at April 11, 2026
Phoenix Contact is a global leader in industrial connection technology, automation systems, and electronic interface solutions. With decades of engineering heritage originating in Germany, the company develops robust components designed to ensure reliable power, data, and signal transmission across demanding manufacturing and industrial environments. The cornerstone of the Phoenix Contact portfolio is its industry-leading selection of connection technologies. The range features an exceptional variety of terminal blocks, including pluggable headers and sockets, highly reliable wire-to-board solutions, and versatile DIN rail terminal blocks. These foundational connectivity components are supported by a comprehensive ecosystem of power distribution blocks, interface modules, marking systems, and accessories engineered for seamless control cabinet wiring. Beyond physical connectivity, Phoenix Contact provides critical components for advanced automation, control, and system protection. The wider offering encompasses a broad spectrum of process controllers, high-efficiency AC/DC converters, and a comprehensive suite of power, safety, and solid-state relays. From precision signal converters and electronic circuit breakers to fiber optic cable assemblies, Phoenix Contact equips engineers with the high-performance technologies required to build secure, highly efficient, and future-ready industrial systems.
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