Amphenol AT Series Connector AT04-3P-MM03BLK
Amphenol AT Series Connector AT04-3P-MM03BLK
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Amphenol Sine Systems A Series™ - AT Series Connector
Catalog reference part number: AT04-3P-MM03BLK
This product page is prepared from the supplied Amphenol Transportation A Series™ catalog (REV. Q). The exact configuration, manufacturability, MOQ, lead time and commercial price must be confirmed before ordering.
Part Number Configuration
| Part number | AT04-3P-MM03BLK |
| Product style | 04 - Receptacle (Pin Contacts Only) |
| Positions | 3 |
| Contact type | P - Pin |
| Key | Not applicable |
| Modification | MM03 - Small sealing plug + strain relief boot |
| Color | BLK - Black |
AT Series Catalog Specifications
- Rectangular connector with thermoplastic housing.
- Contact size: #16; maximum current: 13 A.
- Typical wire range: 14-20 AWG.
- Operating temperature: -55°C to +125°C at rated current.
- Environmental sealing: IP67 and IP69K when properly mated.
- Rated voltage: 250 V AC/DC according to IEC; 500 V AC/DC according to UL 1977.
- Contact resistance: less than 10 mΩ.
- Dielectric withstand: current leakage below 2 mA at 1500 V AC.
- Insulation resistance: minimum 1000 MΩ at 25°C.
- Mechanical durability: more than 100 mating cycles without electrical or mechanical defects.
- Housing and wedge: thermoplastic; seals: silicone elastomer; contacts: copper alloy with nickel or gold plating.
- RoHS compliant; A Series catalog references UL 1977 files E322585 / E336860.
Typical Applications
Heavy equipment, agricultural machinery, automotive, military, marine, alternative energy and other demanding interconnect environments.
Important: According to the catalog, the connector part number does not include contacts or the wedge. These components must be selected and purchased separately.
Configuration status: Conforms to image encoding rules; rules exhaustive, individual orderability not confirmed.
Source: A Series™ catalog REV. Q, AT Series pages 9-12, supplied by the customer.
Confirm compatibility before ordering
Share the original part number, machine model, connector photo, required length or wiring drawing. Our team will help verify the right configuration.
We compare model numbers, connector type, pin count and application requirements.
Length, cable jacket, shielding, pinout and connector options can be made to specification.
International shipping is available for replacement cables, connectors and custom harnesses.