Square D 9007-B53B2 Limit Switch

Square D 9007-B53B2 limit switch is a heavy-duty plug-in rotary-head limit switch from the Class 9007 family. It features a rotary lever head with standard pretravel and spring return, and provides one normally open (NO) and one normally closed (NC) contact. Electrical rating is 600 V maximum and 10 A current capability, with a low-voltage rating of 0.5–6.0 A at 12–120 V. Its plug-in rotary head configuration is noted in product literature, and the unit is suitable for NEMA 7 and 9 environments. This model, including variants such as 9007CR53B2, reflects the same contact arrangement and rotary head design; the 9007 family is known to include 1 NO and 1 NC configurations. Some catalogs list 9007-B53B2 as discontinued by the manufacturer.