DB3-B0-21-640-112-D
Littelfuse Inc.
The Littelfuse Inc. DB3-B0-21-640-112-D is a 3-pole circuit breaker featuring a magnetic (hydraulic delay) mechanism. It has a current rating of 40A and a voltage rating of 480V.
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The Siemens 3VA5140-4ED36-0AA0 is a three-pole circuit breaker designed for electrical protection. It features a rated current of 40A and a maximum breaking capacity of 25kA at 690V AC. The device is suitable for use in electrical distribution systems requiring reliable circuit interruption. Its compact design allows for easy installation in panel boards and switchgear assemblies. The breaker's specifications include a rated insulation voltage of 800V and a maximum operational voltage of 500V DC. It is suitable for applications where high short-circuit current interruption is necessary, such as industrial and commercial electrical systems.
| Qty | Low | High |
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| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage is 690 V AC.
The current rating is 40 A.
The breaking capacity at 240 V is 55 kA.