deltacnt.com | Capacitance > Model 105 | 73 Flow Level Temperature MODEL EXAMPLE 105 - - - - - - 1 7WR 15P Model Numbering System MODEL DESCRIPTION 105 Capacitance Level Switch, DPDT MODEL SUPPLY VOLTAGE HOUSING RATING OPTIONS1 SUPPLY VOLTAGE DESCRIPTION 1 120-240 VAC 3 24 VDC HOUSING RATING DESCRIPTION AA None 4XI Environment-proof, 4X, PVC, integral mount 4XR Environment-proof, 4X, PVC, remote mount 7WI Explosion-proof, 7X, aluminum, Classes 1 & 2, Divisions 1 & 2, Groups BCD, EFG, integral mount ³ 7WR Explosion-proof, 7X, aluminum, Classes 1 & 2, Divisions 1 & 2, Groups BCD, EFG, remote mount 7TI Explosion-proof, 7X, 300 Stainless Steel, Classes 1 & 2, Divisions 1 & 2, Groups BCD, EFG, integral mount 7TR Explosion-proof, 7X, 300 Stainless Steel, Classes 1 & 2, Divisions 1 & 2, Groups BCD, EFG, remote mount OPTIONS1-3 DESCRIPTION AA None (integral) PSM Housing mounting bracket for remote mounting (surface or 2 in pipe mounting) ² **P ** feet of interconnecting cable for remote mounting, includes sensor and compensation cable, 160 °F (71 °C), PVC ² **D ** feet of interconnecting cable for remote mounting, includes sensor and compensation cable, 400 °F (204 °C), FEP ² ZZ2 Special housing orientation; ranged for low dielectric sensitivity for dry media; single direction time delay; set to time delay energizing of the relay; adjustable ³ REQUIRED ORDERING INFORMATION: • Detailed model number • Tag or nameplate detail (if required) • Documentation & testing packages (if required, refer to Additional Resources) Notes: ¹ A hyphen will separate multiple options selected ² PSM, **P, **D only available with remote mount housing ³ ZZ2 only available with 7WI housing