The Littelfuse Inc. MD2-B-34-625-2-A34-2-C is a circuit breaker designed for protection applications. It features a 25A current rating and 250V AC voltage rating.
The Littelfuse Inc. MB2-B-34-625-1-A21-B-C is a magnetic (hydraulic delay) circuit breaker. It features a 25A current rating and a 250V AC voltage rating.