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i jj Power Consumption: 1W per module Electrical Connection: '/z "-14 NPT with PVC- Supply Voltage: 24 VDC from I.S. power supply insulated 18 AWG leads FM Approved, �L Listed 48R0 Pressure: Setpoint: JT-2 Positive Pressure Leak Sensor, 7.4 Power Supply I.S. (Intrinsically Safe) .5 psig; JT-2V Vacuum Leak Sensor, .5 inches of Power Input: 115 VAC mercury Connection: '/,"-18 NPT Output Voltage: 24 VDC Adjustment: '/e" Allen wrench through port <> M Approved, UL Listed 48RO Temperature Range: —400 to 180°F (-400 to 7.5 Tank Leak Sensor, Model LS-3 82°C) Housing: 304 stainless steel lJL Listed 48RO Mounting: '/z" NPT male thread or extension CSA Approved: File 34146 cable Switch: Type: Single pole, single throw N.C. Rating: 10 VA 8.0 INTRINSICALLY SAFE Float material: Buna-N INTERFACE SYSTEM Pressure: 50 psi maximum Leads: 20 AWG 8.1 Applications UL Listed 48RO The Series X53BA-2000 Barriers are designed to handle the following functions associated with 7.6 Tank Leak Sensor, Model LS-7 intrinsically safe annunciators and logic systems. For steel and fiberglass double-wall tanks. A method of accepting intrinsically safe input Housing Material: PVC (Geon 87241) contact signals from the hazardous area via an Liquid SpG: ,70 minimum approved barrier to provide output contacts that can be used for operating general-purpose !l Switch: annunciators or logic systems. Type: Single pole, single throw N.C. _ Rating: 10 VA 8.2 Mechanical Features Leads: 20 AWG Input and output terminals are physically �L Listed 48RO separated. 7.7 Hydrostatic Leak Sensor, The input terminal compartment has conduit knockouts, as do the output terminal Model LS-10 or LS-20 compartments and power wiring input. i Reservoir: No passageways exist between the two compart- Volume: ments, so it is impossible to inadvertently LS-10, two gallons (7.57 liters) intermix the input and output wiring. LS-20, four gallons (15.14 liters) Material: Polyethylene plastic 8.3 Special Installation Instructions i Switch: Model LS-3 N.O. and LS-30 Equipment and associated wiring approved as Type: LS-3 N.O., single pole, single throw; LS-30, intrinsically safe may be installed in any DPDT hazardous location for which it is approved. The Rating: 10 VA provisions of Articles 500-517 of the National Float material: Buna-N Electrical Code need not apply to such Pressure: 50 psi maximum installations. Leads: 20 AWG As the intrinsically safe portion of the system is 11L Listed 48RO made up of the field contacts and associated wiring, all field contact wiring is to be run in 7.8 Tank Leak Sensor, Model JT-2 conduit reserved for the exclusive use of this Housing: Stainless steel, explosion proof, field contact wiring. hermetically sealed, NEMA Types 7 and 9 The field contact wiring for any particular field Classification: contact is to be of such size that the total loop Class 1: Groups A, B, C and D resistance is less than 1,000 ohms. Class 2: Groups E, F and G The system is to be grounded at the input Switch: voltage terminals. The ground connection shall Type: Single pole, double throw N.O. be such that the resistance to ground shall be (shelf condition) less than 1.0 ohm. Rating: 10 VA 5