Relay with arc extinguishing devices

A relay, comprising:

• a housing;
• a contact assembly which comprises movable contacts, stationary contacts and a movable contact bridge, wherein the movable contacts are adapted to move towards or away from the stationary contacts under the driving of the movable contact bridge;
• an auxiliary contact assembly which comprises an auxiliary contact bridge and auxiliary contacts, wherein at least portion of each of the auxiliary contacts extends into the housing, and the auxiliary contact bridge moves synchronously with the movable contact bridge to be selectively and electrically connected to the auxiliary contacts;
• wherein
• the housing comprises a top surface and stepped portions, the top surface is spaced apart from the stepped portion in the movement direction of the movable contact bridge or the auxiliary contact bridge, the stationary contacts are arranged on the top surface of the housing, and a portion of each of the auxiliary contacts arranged outside the housing is arranged on each of the stepped portions,
• the reply further comprises arc extinguishing devices, wherein the number of the arc extinguishing devices is multiple, each of the arc extinguishing devices is arranged on an outer side of the corresponding stationary contact and comprises a cover and a magnetic member, and the magnetic member is arranged on at least one of two side walls of the cover facing each other.