3VA5270-5EC31-0AA0
Siemens
The Siemens 3VA5270-5EC31-0AA0 is a three-pole circuit breaker rated for 70A with a breaking capacity of 35KA. It features DIN rail mounting and a lever actuator.
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The Siemens 3VA5270-6ED31-0AA0 is a 3-pole molded-case circuit breaker from the SENTRON series, designed for system protection applications. This breaker features a frame size of 250A with a continuous rated current (Iu) of 70A, which is maintained up to 50°C.
Key electrical specifications include a maximum rated operational voltage of 690V AC and 750V DC, with an insulation voltage (Ui) of 800V. The breaking capacity according to UL 489 is 65kA at 480V, and according to IEC 60947, it is 70kA at 415V. The overcurrent release is of type TM210 with LI protection function, featuring adjustable overload protection (Ir) and fixed short-circuit protection (Ii) from 700A to 700A.
Mechanically, the circuit breaker has a typical service life of 20,000 switching cycles. Its dimensions are 185mm in height, 105mm in width, and 83mm in depth. The mounting type is DIN Rail, and it features a lever actuator.
This circuit breaker is suitable for applications requiring reliable line protection. It is marked according to UL file HFAS and is designed as a Heating, Air Conditioning, and Refrigeration (HACR Type) circuit breaker.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The maximum rated operational voltage for AC is 690 V at 50/60Hz, and for DC it is 750 V.
The breaking capacity according to UL 489 is 65 kA at 480 V.
The continuous rated current (Iu) is 70 A.
This circuit breaker has 3 poles.
The mounting type is DIN Rail.
The typical mechanical service life is 20,000 switching cycles.