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PV-KB(S)T4-EVO2 Connector

Stäubli Original MC4-Evo 2 is a 1500 V DC photovoltaic connector using MULTILAM contact technology and crimp termination. It supports 2.5 to 10 mm² PV cable configurations with IEC current ratings up to 69 A, while the selected connector variant must still match the actual cable cross-section and outer diameter.

Typical Scenarios
Key Specifications
  • 1500 V DC PV strings
  • Utility and commercial array connections
  • Factory-prepared PV extension cables
  • Combiner and inverter DC connections

 

  • Connector system: Ø 4 mm
  • Rated voltage: DC 1500 V according to IEC 62852 and UL 6703
  • Rated current, IEC: 39 A at 2.5 mm²; 45 A at 4 mm²; 53 A at 6 mm²; 69 A at 10 mm²
  • Ambient temperature range: −40°C to +85°C
  • Upper limiting temperature: +115°C (IEC)
  • Degree of protection: IP65/IP68 (1 m, 168 h) when mated; IP2X when unmated
  • Contact resistance: < 0.2 mΩ
  • Contact system: MULTILAM; termination by crimping
  • Maximum mating cycles: 100
  • Flammability class: UL94-V0

 

Select cable specifications:
Type Option
Certifications & complance:

Product Highlights

1500 V DC Platform

MC4-Evo 2 is rated for DC 1500 V under IEC and UL, making it suitable for modern high-voltage PV string architecture without changing to a different connector family at the 1500 V system level.

Current Ratings up to 69 A

IEC ratings increase with the matched PV cable cross-section, reaching 69 A with the specified 10 mm² configuration. This gives designers more current capacity while keeping the connector, contact and cable selection tied to one defined assembly.

Low-Resistance MULTILAM Interface

The MULTILAM contact system and tin-plated copper contacts provide a connector resistance below 0.2 mΩ. Maintaining that interface depends on correct stripping, crimping, tightening and mating according to the Stäubli assembly instructions.

Protection for Exposed PV Connections

The mated connector carries IP65/IP68 protection under the specified test condition and is qualified for demanding PV environments. Unmated ends remain IP2X, so storage, transport and installation practice still need to prevent contamination before mating.

Application Areas

Designed for 1500 V rooftop PV, Commercial PV arrays, Utility-scale solar fields and PV extension cable assemblies.

 

1500 V rooftop PV

Commercial PV arrays

Utility-scale solar fields

PV extension cable assemblies

Technical Data

FAQ

Recommend

GENERAL DATA
  • Original Stäubli MC4-Evo 2 photovoltaic connector, Ø 4 mm system
  • Rated voltage: DC 1500 V according to IEC 62852, UL 6703 and JET
  • Ambient temperature range: -40°C to +85°C
  • Upper limiting temperature: +115°C (IEC)
  • Rated impulse withstand voltage: 16 kV
  • Degree of protection: IP65/IP68 (1 m, 168 h) mated; IP2X unmated

 

CONSTRUCTION
  • Contact system: MULTILAM
  • Type of termination: crimping
  • Contact material: copper, tin plated
  • Insulation material: PA
  • Locking system: locking type
  • Flammability class: UL94-V0

 

PROPERTIES
  • Contact resistance: < 0.2 mΩ
  • Maximum number of mating cycles: 100
  • Ammonia resistance certified according to 2 PfG 1911/04.2016
  • Designed for demanding photovoltaic outdoor environments

 

REGULATORY COMPLIANCE
  • TÜV Rheinland certified according to IEC 62852:2014+Amd.1:2020
  • UL certified according to UL 6703 and CSA C22.2 No. 182.5
  • cULus Listed and UL Recognized; UL File E343181
  • JET certified for the corresponding listed variants

 

 

IEC CURRENT RATINGS

 

Nominal cross section mm² IEC rated voltage DC V IEC rated current A
2.5 1500 39
4 1500 45
6 1500 53
10 1500 69

Connector selection also depends on PV cable outer diameter and the matching Stäubli MC4-Evo 2 crimp contact / cable gland variant. Use the exact Stäubli ordering table for the finished assembly.

 

Download TDS

Can you match the PV connector system already used on our project?

Send the exact connector manufacturer and model together with the cable size. Current PV extension options include Stäubli Original MC4 and MC4-EVO 2. Compatibility is checked against the actual connector system; appearance or a general “MC4-compatible” description is not enough.