Allen - Bradley 802XR - DF7 is a sealed hazardous location limit switch. The following are its main parameters in English:
Actuation Type: Top push roller
Action: Snap acting, standard contacts
Contact Configuration: 1 NC, 1 NO
Contact Rating: B600
Enclosure Material: Metal
Mounting Type: 1/2 in NPT
Number of Circuits: 2
Operating Temperature: -29°C to 121°C
Maximum Travel: 5.1 mm (0.202 in)
Torque to Operate Contacts (Max.): 15.6 N (3.5 lb)
Travel to Operate Contacts (Nominal): 1.75 mm (0.069 in)
Travel to Reset Contacts (Max.): 0.71 mm (0.028 in)
NEMA Rating: NEMA 7 & 9
Sealed Hazardous Location: Class I, Groups B, C, and D or Class II, Groups E, F and G