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Stäubli MC4 plug PV-KST4/6X-UR, 4/6 mm2, cable diameter 5.5-7.4 mm

Model: PV-KST4/6X-UR · SKU: 32.0143P0001-URFL

Prepared Nov 12, 2026

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Common specifications

Connector	MC4 plug, open crimp contactSource [1, 2]
Wire size	4 mm2 or 6 mm2 (12 AWG or 10 AWG); cable outer diameter 5.5-7.4 mmSource [2]
Current rating	39 ASource [2]
Voltage rating	1,500 VSource [2]
Enclosure	IP65/IP68 (1 m, 1 h) mated; IP2X unmatedSource [2]
Compatible series	MC4 product familySource [2]
Enclosure volume	Not documented
Warranty term	Not documented

All recorded specifications

Compatible series	MC4 product familyDocumented claim Conditions Printed as "To be used with suitable mated connectors from the MC4 product family and suitable cable". Location: PDF page 2, feature list Printed as "To be used with suitable mated connectors from the MC4 product family and suitable cable". Location: PDF page 2, feature list Official document · Stäubli Original MC4 with open crimp contacts, catalog SOL-MC4-11014112-en [2]
Connector	MC4 plug, open crimp contactDocumented claim Conditions MA231 prints "Stecker Plug PV-KST4/2.5...-UR PV-KST4/6...-UR"; the catalog is titled "Original MC4 with open crimp contacts". Location: MA231 product overview; catalog page 2 MA231 prints "Stecker Plug PV-KST4/2.5...-UR PV-KST4/6...-UR"; the catalog is titled "Original MC4 with open crimp contacts". Location: MA231 product overview; catalog page 2 Official installation manual · Stäubli MA231 assembly instructions, MC4 connector (valid for PV-KST4/...-UR and PV-KBT4/...-UR)Official document · Stäubli Original MC4 with open crimp contacts, catalog SOL-MC4-11014112-en [1, 2]
Current rating	39 ADocumented claim Conditions Printed as 39 A at DC 1100 V for 4 mm2 (and 6 mm2) under IEC 62852; the UL 6703 columns of the same row print 35 A for 12 AWG and 50 A for 10 AWG at DC 1500 V. Location: PDF page 4, ordering table row 32.0143P0001-URFL, IEC 62852 columns Printed as 39 A at DC 1100 V for 4 mm2 (and 6 mm2) under IEC 62852; the UL 6703 columns of the same row print 35 A for 12 AWG and 50 A for 10 AWG at DC 1500 V. Location: PDF page 4, ordering table row 32.0143P0001-URFL, IEC 62852 columns Official document · Stäubli Original MC4 with open crimp contacts, catalog SOL-MC4-11014112-en [2]
Enclosure	IP65/IP68 (1 m, 1 h) mated; IP2X unmatedDocumented claim Conditions Printed as "Degree of protection, mated IP65/IP68 (1 m, 1 h)" and "Degree of protection, unmated IP2X". Location: PDF page 2, Technical data Printed as "Degree of protection, mated IP65/IP68 (1 m, 1 h)" and "Degree of protection, unmated IP2X". Location: PDF page 2, Technical data Official document · Stäubli Original MC4 with open crimp contacts, catalog SOL-MC4-11014112-en [2]
Voltage rating	1,500 VDocumented claim Conditions Printed as "Approved for DC 1100 V (IEC) and DC 1500 V (UL)"; the ordering row prints 1100 V under IEC 62852 and 1500 V under UL 6703. The UL rating is shown; the IEC rating is kept here in the conditions. Location: PDF page 2, feature list; ordering table UL 6703 columns Printed as "Approved for DC 1100 V (IEC) and DC 1500 V (UL)"; the ordering row prints 1100 V under IEC 62852 and 1500 V under UL 6703. The UL rating is shown; the IEC rating is kept here in the conditions. Location: PDF page 2, feature list; ordering table UL 6703 columns Official document · Stäubli Original MC4 with open crimp contacts, catalog SOL-MC4-11014112-en [2]
Wire size	4 mm2 or 6 mm2 (12 AWG or 10 AWG); cable outer diameter 5.5-7.4 mmDocumented claim Conditions The row prints outer diameter 5.5 – 7.4 mm and conductor size 4 mm2 with IEC ratings, then 6 mm2, 12 AWG and 10 AWG with their ratings: "PV-KST4/6X-UR × 5.5 – 7.4 5.8 4 1100 39 ... 6 1100 39 12 1500 35 10 1500 50". Location: PDF page 4, ordering table row 32.0143P0001-URFL The row prints outer diameter 5.5 – 7.4 mm and conductor size 4 mm2 with IEC ratings, then 6 mm2, 12 AWG and 10 AWG with their ratings: "PV-KST4/6X-UR × 5.5 – 7.4 5.8 4 1100 39 ... 6 1100 39 12 1500 35 10 1500 50". Location: PDF page 4, ordering table row 32.0143P0001-URFL Official document · Stäubli Original MC4 with open crimp contacts, catalog SOL-MC4-11014112-en [2]

Warranty

Certificate records

No records documented.

Sources and revisions

Stäubli MA231 assembly instructions, MC4 connector (valid for PV-KST4/...-UR and PV-KBT4/...-UR)Official installation manual · Checked Sep 29, 2026https://www.staubli.com/content/dam/ecs/technical-documentation/assembly-instructions/RE/PV_MA231-en.pdf
Stäubli Original MC4 with open crimp contacts, catalog SOL-MC4-11014112-enOfficial document · Checked Sep 29, 2026https://www.staubli.com/content/dam/ecs/catalogs-brochures/RE/SOL-MC4-11014112-en.pdf