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The Altech Corporation 3D20UL is a thermal magnetic circuit breaker designed for reliable circuit protection. This 3-pole unit is rated for 20A and operates at up to 480V AC.
Key specifications include a calibration temperature of 40°C, an ambient operating temperature range of -25°C to +70°C, and a storage temperature range of -40°C to +70°C. The breaker supports terminal sizes from 18-3 AWG on top and 18-2 AWG on the bottom, with a recommended terminal torque of 2 to 2.5 Nm.
It boasts a mechanical life of 10,000 cycles and an electrical life of 6,000 cycles. The device offers a degree of protection IP20 and is designed for DIN rail mounting, making installation convenient. It has a short circuit interrupting capacity of 10kA according to UL 489 and 15kA according to IEC 60947-2.
Approved by CE, cULus, and UL489, the 3D20UL is suitable for various applications requiring robust overcurrent protection.
The current rating is 20A.
The voltage rating is 480V.
It has 3 poles.
It is designed for DIN rail mounting.
It is a Thermal Magnetic breaker.
The short circuit interrupting capacity according to UL 489 is 10kA.
The short circuit interrupting capacity according to IEC 60947-2 is 15kA.