| Category | |
| Manufacturer Name | |
| Actuator Type | |
| Approval Agency | |
| Current Rating | |
| Current Rating (Amps) | |
| Depth | |
| Height | |
| Illumination | |
| Mounting Type | |
| Number of Poles | |
| Storage Temperature | |
| Tape & Reel | |
| Voltage Rating | |
| Width |
This Siemens 3VA5170-5EC31-0AA0 is a 3-pole molded-case circuit breaker designed for system protection. It belongs to the SENTRON series and features a TM230 overcurrent release with LI protection function.
The breaker has a rated operational current of 70A at 40°C and a maximum rated operational voltage of 690V AC (50/60Hz) or 500V DC. Its breaking capacity according to IEC 60947 is 85kA at 240V, 55kA at 415V, and 7kA at 690V. According to UL 489, the breaking capacity is 85kA at 240V, 35kA at 480V, and 18kA at 600Y/347V.
Key electrical specifications include a rated insulation voltage of 800V and adjustable short-circuit protection with li ranging from 350A to 700A. The power loss is a maximum of 16W. Mechanically, it has a typical service life of 15,000 switching cycles.
The circuit breaker is designed for DIN rail mounting and has a lever actuator. Its dimensions are 140mm in height, 76.2mm in width, and 7 inches in depth. It is approved by CCC, CE, CSA, EAC, UL489, and VDE.
| 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 this circuit breaker with AC 50/60Hz is 690V, and with DC it is 500V.
The permanent rated current (Iu) is 70A, and the operational current at 40°C is also 70A.
According to IEC 60947, the breaking capacity (Icu) is 85kA at 240V, 55kA at 415V, and 7kA at 690V. According to UL 489, it is 85kA at 240V, 35kA at 480V, and 18kA at 600Y/347V.
The typical mechanical service life is 15,000 switching cycles.
This circuit breaker is designed for DIN rail mounting.
The RoHS status is RoHS3 Compliant.
The Moisture Sensitivity Level (MSL) is 1 Unlimited.