Circular Connector, 2/3/4/5/6/7/8/10/12 Pin, M25

5 out of 5 based on 1 reviews | Write a review

$53.81

Circular connector has simple and firm locking mechanism, easy to seal, insert and dismantle. Circular connector has female plug & male socket, 2/3/4/5/6/7/8/10/12 pin to select.

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SKU: ATO-CIRCN-25M

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Delivery date: 6-12 days

Overview
Related Video
Proposition 65 Warning

Circular connector has 2/3/4/5/6/7/8/10/12 pin to select.

Specification:

Model	ATO-CIRC-25M
Weight	0.5kg
Coupling mode	Threaded coupling
Shell material	Zinc base alloys with chromeplate
Insert material	Bakelite
Contact material	Copper (silver plating or gold plating)
Termination	Solder
Mating cycle	500 times
Temperature range	-20~+85℃
Cable diameter	≤Φ11.5mm
Protection class	IP55

Technology parameter:

Number of pins	2	3	4	5	6	7	8	10	12
Rated current/voltage	45A-300V	45A-300V	45A-300V	35A-250V	35A-250V	35A-250V	16A-250V	16A-250V	16A-250V
Operating voltage	AC 500V	AC 500V	AC 400V	AC 400V	AC 300V	AC 300V	AC 200V	AC 200V	AC 200V
Withstanding voltage (in 1 minute)	AC 2000V	AC 2000V	AC 2000V	AC 1500V	AC 1500V	AC 1500V	AC 1500V	AC 1500V	AC 1500V
Insulation resistance at DC 500V (MΩ)	2000	2000	2000	2000	2000	2000	2000	2000	2000
Contact resistance at 1A (MΩ)	1	1	1	1	1	1	3	3	3
Solder cup diameter Ф (mm)	2.4	2.4	2.4	2.4	2.4	2.4	1.6	1.6	1.3
Pin diameter Ф (mm)	3.5	3.5	3.5	3	3	3	2	2	1.5

Pin assignments:

Dimensional drawing (unit: mm):
Circular connector 2 to 12 pin m25 dimensional drawing
Note: Dust cap is not in the packing list.
Tips: Installation way and shape of circular connector
The installation way of circular connector includes front installation and back installation. And the fixing ways include rivet, screw, rand or rapid locking of bayonet lock of connector. There is a kind of connector with plug and socket that both are free-ends, namely cable (neutral) connector.
Circular connector has different shapes. Users choose the shape of circular connector according to the outer structure (straight, right angle), external diameter of wire or cable, the fixing requirements of shell (volume, weight) and whether need to connect a metal flexible tube. For choosing a connector on the panel, the pearance and color should be considered.

In the video, ATO will take 5 pin M16 circular connector for circular connector assembly instructions.

*WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

Existing reviews of Circular Connector, 2/3/4/5/6/7/8/10/12 Pin, M25

Reliable and sturdy

Exactly what I needed. Threaded coupling is secure, fits cables well, easy to use, and the build feels really durable.

From: Nick | Date: 08/01/2026

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