Electrical power supply connector

wire-to-wirecircularlocking

Product Description
120A quick-lock waterproof connector MJ32 designed for EV charging and energy storage applications. IP67-rated housing and silver-plated copper contacts ensure reliable power transmission in outdoor and demanding industrial environments.

Overview

• 120A High Current Capacity – 120A rated current with 6.0 mm silver-plated copper pins for stable power transfer.
• QuickLock Mechanism – Tool-free QuickLock connection with audible click and anti-vibration locking for secure mating.
• IP67 Waterproof Protection – Fully sealed against dust and temporary immersion, suitable for outdoor EV charging stations and storage systems.
• Wide Application – Compatible with EV chargers, battery packs and energy storage system interconnects.
• International Certifications – ISO9001, CE, UL, RoHS (TÜV listed options available).

Specifications Table
Product Details | Specification 1 | Specification 2 | Specification 3 | Specification 4
Pin number | 2 | 3 | 4 | 2+5
Pin diameter X number | 6.0 | 4.0 | 4.0 | 6.0+1.5
Current rating | 120A | 80A | 80A | 120A+10A
Voltage rating | 600V | 600V | 600V | 600V+60V
Withstanding voltage | 3000V | 2000V | 2000V | 2000V
Cable Gauge | 4mm²–25mm² (10–3 AWG) | 4mm²–16mm² (10–5 AWG) | 4mm²–16mm² (10–5 AWG) | 1.0mm²–6mm² (18–9 AWG)
Diameter Range | MAX Φ25.0mm | MAX Φ25.0mm | MAX Φ25.0mm | MAX Φ25.0mm
Protection Level | IP67 | IP67 | IP67 | IP67
Connecting mode | QuickLock | QuickLock | QuickLock | QuickLock
Prevent the combustion level | UL94-V0 | UL94-V0 | UL94-V0 | UL94-V0
Operating temperature | -40℃ – 105℃ | -40℃ – 105℃ | -40℃ – 105℃ | -40℃ – 105℃
Certification | ISO9001, CE, UL, ROHS | ISO9001, CE, UL, ROHS | ISO9001, CE, UL, ROHS | ISO9001, CE, UL, ROHS

Product Advantages & Notes

• Reliable waterproof and dustproof performance to IP67 (IP68/IP69K optional on specific variants).
• Operating temperature range -40°C to +105°C (some series rated to +125°C) for broad environmental tolerance.
• Flame-retardant housing meeting UL94 V-0 for improved safety.
• Designed for 500+ mating cycles for long-term durability in frequent connect/disconnect use.

Technical Specifications

• Model: MJ32
• Pin configuration (example on this page): 2 pins (other variants available: 3, 4, 2+5)
• Pin diameter: 6.0 mm (2-pin variant)
• Current rating: 120A (2-pin variant)
• Voltage rating: 600V
• Withstanding voltage: 3000V (2-pin variant)
• Cable gauge range: 4mm²–25mm² (10–3 AWG) for 2-pin
• Maximum diameter range: MAX Φ25.0mm
• Protection level: IP67
• Connecting mode: QuickLock (tool-free, audible click)
• Flame retardant: UL94-V0
• Operating temperature: -40℃ – 105℃
• Certifications: ISO9001, CE, UL, RoHS (TÜV listed in overview)