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Dream 3+6 Pin (18A+3A)

Information connectors for diverse operating conditions. For Motor Use, Cable to Cable Solution

Advantages
● Push-pull for quick mating
● 360° blind-mating (no alignment)
● Easy insertion & reliable retention
● Compact size
● One-piece molding – sleek design
● RoHS & REACH compliant
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Specifications Challenges Positioning Features Applications FAQ Related

Specifications

Rated Voltage: 48V AC / 60V DC
Rated Current: 18A+3A
Withstand Voltage: 700V AC
Insulation Resistance: 20MΩ at DC 500V
IP Rating: IP66 Mated
OperatingTemperature: -40°C to 80°C
Salt Spray: 5% Nacl, 48H
Mating Cycle: 200 Cycles
Wire Gauge: 14AWG/2.0mm²+ 24AWG/0.2mm²
Flammability Rating: UL94V-0

Challenges

Large-capacity Li-ion PACK needs high-current power + multi-channel BMS V/T sampling; multiple separate connectors take space. An integrated high-power + high-signal connector is needed.

Positioning

Dream 3+6 is a 3-power+6-signal hybrid connector with high current and high-density signals for large-capacity Li-ion PACK.

Features

The Dream 3+6 integrates three 18A power contacts and six 3A signal contacts into a single hybrid connector, simultaneously delivering motor drive power and comprehensive BMS voltage/temperature sampling for large-capacity battery packs and motor harnesses, eliminating multiple separate power and signal connectors and their associated harness bulk; 


Its robust locking mechanism maintains contact integrity under sustained motor vibration, while the optimized contact layout minimizes crosstalk and voltage drop, enabling higher integration, cleaner wiring, reduced assembly time, and more stable power delivery plus accurate battery monitoring in high-performance electric two-wheelers and light electric vehicles.

Applications

Large E2W battery, ESS module, low-speed trike battery, swap battery internal

FAQ

Q

Is it normal for the housing of a high-current connector to become very hot or even too hot to touch? How should this be handled?

A
High-current connectors may experience some temperature rise under rated load, but they should not become excessively hot or too hot to touch.

Common causes of excessive heating include:

The actual operating current exceeding the rated current
Excessive contact resistance
Poor terminal crimping or undersized cables
Loose or oxidized internal terminals or contacts

Recommended actions: Stop operation immediately and check whether the contact resistance exceeds the specified range. Inspect the terminal crimping points for looseness or oxidation. If a problem is identified, replace the affected components, reduce the load, or re-crimp the cable as required.
Q

LED street lights installed in coastal areas require connectors with additional UV resistance and anti-aging treatment. Is this necessary?

A
Yes. Coastal areas are exposed to strong UV radiation and high salt-spray concentrations, so connectors should use UV-resistant and flame-retardant materials, such as PA66 nylon housings.

Chogori’s M15 waterproof connectors are designed for outdoor LED street lighting and can withstand heavy rain, vibration, and UV exposure, making them suitable for applications such as highways and rural roads. The materials are sourced from high-quality plastics with UL Yellow Card certification, helping ensure reliable outdoor performance for 5–10 years.
Q

What are the differences in test conditions between IP67 and IP68 for waterproof connectors? Does IP69K protection also support high-pressure and high-temperature water-jet testing?

A

IP67 protects against water ingress when immersed in fresh water up to 1 meter deep for 30 minutes, providing protection against accidental immersion.


IP68 is designed for more demanding immersion conditions. It can withstand prolonged immersion at a depth of 1 meter, with the specific duration defined by the manufacturer and potentially lasting 7 days or longer.

IP69K and IP68 involve different protection tests. IP69K is designed to withstand high-pressure, high-temperature water jets, but it does not fully cover immersion protection.

Some Chogori connectors are available with IP69K protection.

Q

What are the specific rated current and voltage ranges of the Large Pro Series connectors?

A
The Large Pro Series supports up to 300V and 50A, offering high reliability and user-friendly design. It is also fully compatible with the existing Large 2+4 Series.
Q

Is there an integrated connector recommended for outdoor LED displays that can transmit both power and signals simultaneously?

A
We recommend an integrated power and signal solution, such as the Large Series multi-pin connectors, which combine power delivery and signal transmission in a single connector for fast, one-step installation.

The Standard and Middle Series also support both power supply (e.g., 300V/20A) and data transmission, while offering IP67 protection and secure thread-locking or push-lock mechanisms.

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