Honeywell AP5027-30 Airswitch Product, Style E121, Adjustable Range .05" ± .02" wc to 12.0" wc PR. Yellow Label. Airflow Differential Pressure Switches are used to sense positive, negative, or differential air pressure in HVAC systems. They provide high or low limit with alarm or high limit shutdown with manual reset.

Features

• Models available with compression or barb fittings.

• SPDT contacts on automatic reset models SPST n.c. contacts on manual reset models.

• Electrical switch enclosed in metal box with cover.

• Reliable pneumatic operation. UL and CSA Listed, FM approved.

• Adjustable setpoint.

Product Specifications

• Description: Airswitch Product, Style E121, Adjustable Range .05"±.02" wc to 12.0" wc PR. Yellow Label

• Connection Type: 1/4 in. Compression

• Setpoint - .05"±.02" wc to 12.0" wc PR

• Electrical Ratings: 278 Va @ 24Vac

• Electrical Ratings: 300Va @ 120 to 277Vac

• Electrical Connections: #6-32 Screw terminal with cup washers

• Electrical Switch: SPDT

• Maximum Operating Pressure: 1/2 psi

• Additional Features: Switching Differential: .02"±.01" wc @ minimum set point to approximately .80" wc @ maximum set point

• Dimensions (in.): 5.0 in. Diameter

• Dimensions (mm): 127 mm Diameter

• Temperature Range, Ambient (F): -40 F to +190 F

• Temperature Range, Ambient (C): -40 C to +88 C

• Pilot Duty Ratings: 10 Milliamps @ 5Vdc

• Pilot Duty Ratings: Gold Flash Contacts

• Pilot Duty Ratings: 15 Amps resistive to 277Vac

• Approvals, Underwriters Laboratories Inc - Listed: MP2168

• Approvals, Canadian Standards Association: CSA file No. LR45785

• Approvals, Factory Mutual - Listed: J.I. 1H3A6.AF