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The 802XR-DF7 from Allen Bradley is a sealed contact limit switch designed for operation in hazardous environments. This unit is compliant with NEMA Type 7 and 9 ratings and is constructed from durable metal, ensuring longevity in demanding settings.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Sealed Contact Limit Switch |
| Product Line | Bulletin 802XR |
| Part Number | 802XR-DF7 |
| Weight | 2.06 lbs (0.94 kg) |
| UPC | 662073292364 |
| Degree of Protection | NEMA Type 7 and 9 (hazardous locations) |
| Enclosure Material | Metal |
| Contact Type | Normally Open (NO) |
| Maximum Travel Distance | 0.202 inches (5.1 millimeters) |
| Actuator Type | Top Push Roller |
| Maximum Travel To Reset Contacts | 0.028 inches (0.71 millimeters) |
| Maximum Travel To Operate Contacts | 0.069 inches (1.75 millimeters) |
| Maximum Torque To Operate Contacts | 15.6 Newton (3.5 pounds) |
| Rated Frequency | 50 to 60 Hertz |
| Modes of Operation | Clockwise and counterclockwise operations |
| Number of Circuits | 2 circuits |
| Ambient Operating Temperature | -29 to 121°C (-20.2 to 249.8°F) |
The Allen Bradley 802XR-DF7 is a high-performance sealed contact limit switch constructed for rugged environments. Designed to meet NEMA Type 7 and 9 standards, the unit is suitable for hazardous locations, ensuring protection against dust and gas infiltration. Built from resilient metal, the assembly promises durability and reliability.
The switch operates with a normally open (NO) contact mechanism, which allows it to trigger actions upon reaching designated positions. It features a maximum travel distance of 0.202 inches (5.1 millimeters), with clearly defined operational parameters to reset and operate contacts set at 0.028 inches (0.71 millimeters) and 0.069 inches (1.75 millimeters), respectively. A torque requirement of up to 15.6 Newton (3.5 pounds) is needed to engage the contacts.
Operating at a frequency range of 50 to 60 Hertz, the 802XR-DF7 supports both clockwise and counterclockwise functions, providing versatility across different applications. It is equipped with two independent circuits to facilitate complex control requirements. Operating in extreme conditions is made possible with an ambient temperature range of -29 to 121°C (-20.2 to 249.8°F), underscoring its adaptability to various industrial settings.