7/8" male circular connector Front Fastened,with PCB welded screw 7/8-16UHF
- Model
- MC78NM-05R2LDLNS1001
Item specifics
- Type
- 7/8" Circular Connector
- Contact Connection Type
- Male Connector
- Number OF Positions
- 3 Pin(3/4/5/6 Pin Optional)
- Coding
- A
- Termination
- PCB type
- Mounting Type
- Front Fastened
- Shielded Option
- Unshielded
- Approval
- UL
- Pollution
- III
- Flame Retardant
- IEC 61076-2-101
Review
Description
7/8" male circular connector characteristic

Description
- High current carrying capacity: 7/8" connectors are typically used to handle relatively high current loads and can support currents up to 13A or more.
- Protection level: IP67 level of protection, can effectively prevent dust from entering and resist underwater immersion in a short time, so that it can be used in more harsh environments.
- Material and construction: 7/8" male circular connectors are usually made of corrosion-resistant materials, which not only increases their mechanical strength, but also extends their service life.
- Easy installation: Most 7/8" connectors are equipped with a thread locking mechanism that ensures a strong connection while allowing for quick installation and removal.
- Variety: Different types of 7/8" connectors are available, including but not limited to different pin configurations, cable lengths, and color options to meet the needs of different application scenarios.
7/8" male circular connector Specification
Shell Material | Brass Nickel Plated/Zinc Alloy Nickel Plated/PA+GF | |
Sealing Material | Epoxy Resin/Rubber | |
Contact Material | Phosphor Copper Gold Plated/Brass Gold Plated | |
Insulator Material | PA+GF/TPU | |
Molding Material | TPU/PVC | |
Contact Resistance | ≤5mΩ | |
Durability | ≥ 500 Cycles | |
Insulation Resistance | 100 MΩ | |
Applicable Temperature | -40℃ Tо +80℃ | |
Waterproof Grade | IP67/IP68 |
7/8" male circular connector Electrical parameter:
Product model | Pins | Rated current | Rated voltage | Wire Gauge/Size | |||
A/C | D/C | AWG | mm² | ||||
MC78NM-03R2LDLNS1001 | 3 | 13A | 300V | 300V | 18 | 1 | |
MC78NM-04R2LDLNS1001 | 4 | 9A | 300V | 300V | 18 | 1 | |
MC78NM-05R2LDLNS1001 | 5 | 9A | 300V | 300V | 20 | 0.5 | |
MC78NM-06R2LDLNS1001 | 6 | 9A | 300V | 300V | 20 | 0.5 |
7/8" male circular connector Coding Parameter:
Pins | 3 | 4 | 5 | 6 |
Male | ![]() |
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Pins | 3 | 4 | 5 | 6 |
Female | ![]() |
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Note: If you need more parameter pictures or can not see clearly, please contact our customer service staff
M12 Straight Male Connector Wire Definition:
Pins | 3 Pin Core Color | Pins | 4 Pin Core Color | Pins | 5 Pin Core Color | |||
1 | BK | ![]() |
1 | BK | ![]() |
1 | BK | ![]() |
2 | BN | ![]() |
2 | BU | ![]() |
2 | BU | ![]() |
3 | BU | ![]() |
3 | BN | ![]() |
3 | GNYE | ![]() |
4 | WH | ![]() |
4 | BN | ![]() |
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5 | WH | ![]() |
Remark: Wiring definition according to conventional standards. if according to the agreement or other please contact our sales.
M12 Straight Male Connector Application:

Industrial Automation

Food Packaging

Warehousing Logistics

Automated Production