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Edward Lowton
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Enhanced heavy duty connectors
11 October 2016
Amphenol Industrial Products Group has added to its ATHD series stamped and formed contacts for size 12 terminals rated to 25 Amps.

This heavy duty, single pole, rugged, in-line connection system is designed to replace splices as well as provide power wherever needed. Terminals can also crimp to size 16 cable in both the machined and stamped and formed contacts. They are said to offer the highest amperage for a heavy duty connector when fitted with Amphenol’s machined RADSOK terminals – up to 35A continuous.
The ATHD series continues to offer the size 8 system with machined contacts with amperage ratings up to 70A continuous with RADSOK as well.
Suitable for rugged, high vibration applications found in the heavy equipment and mining markets, these sealed, thermoplastic connectors are field installable and repairable. Platings include tin, nickel and gold. Amphenol says these upgraded terminals are less expensive than the machined terminals, enabling it to provide a high volume/low cost option to its customers too.
The ATHD series is RoHS compliant and has an IP67 rating when mated and an operating temperature of -55 to 125°C. It can perform up to 100 mating cycles with an operating voltage of 500VAC and a dielectric withstanding voltage 1500 VAC.
Technical Specifications
- Size 12 rated up to 25 amps continuous (35A with RADSOK)
- Stamped and formed contacts for size 12 systems
- Size 12 option to crimp to size 16 cable
- Available in tin, nickel and gold
- Operating temperature of -55°C to 125°C
- Perform up to 100 mating cycles
- Durable data link connector
- Connectors for harsh environments
- Connecting technology for the lighting industry
- High pressure connectors for oil and gas applications
- Features smaller flange
- Enhanced connector series
- Quick connect and locking system
- Rugged interconnects
- High vibration brush terminal series
- Continuous power