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The E-T-A 201-3A is a single-pole thermal-magnetic circuit breaker featuring a tease-free, trip-free, snap action mechanism and two-button operation. It is designed for standard EN rail mounting and has a narrow profile housing with recessed terminals.
This circuit breaker has a current rating of 3A and a voltage rating of 240V AC (50/60 Hz) or 65V DC. It meets UL ratings of 250V AC and 80V DC. The interrupting capacity is up to 400A at 2.5-16A and 1,000A under UL standards. It operates within an ambient temperature range of -30°C to 60°C.
Environmental protection includes IP40 for the operating area and IP20 for the terminal area. The device has undergone testing for vibration, shock, corrosion, and humidity according to IEC standards. Its typical life is rated for 5,000 operations at 1x IN inductive and 1x IN resistive loads.
Approvals include CSA C22.2 No 235, IEC 60934, and UL1077, making it suitable for applications such as process control systems, instrumentation, and rail vehicles.
The 201-3A is rated for 240V AC (50/60 Hz) and 65V DC. UL ratings are 250V AC and 80V DC.
The ambient temperature range is -30°C to 60°C (-22°F to 140°F).
IEC interrupting capacity (Icn) is 200A to 400A depending on current rating (self-limiting for 0.05–0.8A, 200A for 1–2A, 400A for 2.5–16A). UL interrupting capacity is 1,000A at 250V AC and 80V DC.
It is approved to CSA C22.2 No 235, IEC 60934, and UL1077.
The breaker mounts on DIN rail.
It uses a pushbutton actuator.
Approximately 60 grams.