ARMY TM 9-6115-604-12 NAVY NAVFAC P-8-633-12 Table 1-1.  System Capacities and Detailed Data on Components (Continued) 2. DC ELECTRIC AND CONTROL SYSTEM (CONTINUED) Lubricant Temperature Switch OT2 Drawing Number: 80-7520 Rating: 10 amperes, 28 V dc Connector: MS3102R-14S-2P Cover: Aluminum, non-sealing Cartridge: Brass submersion type-1, vacuum filled at assembly and sealed Circuit:                                                   Double break circuit, normally open contact to close on increasing temperature Operation:                                               Circuit A and D not used, circuits B and C (normally open) close at 245      3°F (117      3  C) Manufacturer: The Nason Company Part Number: TC-150-245M-4AN FSCM: 85814 Oil Pressure Alarm and Shut Down Switch OP1 and OP2 Drawing Number: 80-7518 Contact Rating: 10 amperes, 28 V dc resistive Switch Configuration: Two circuits, normally closed Pressure Range: 500 psi (3448 kPa), maximum Material: A Housing molded glass filled nylon or steel B.  Base.  steel, with 0.125 NPT fitting copper brazed and cadmium plated Pressure Setting: A-D Circuit: Close at 39 ±  2 psi (269 ± 2 kPa) B-C Circuit: Close at 30 ±  2 psi (207 ± 2 kPa) Life: 50, 000 cycles Temperature Range: A-25 to +125°F (-31 to 51°C) operating B.-65 to +155F (-53 to 68  C) storage Humidity Conditions: To 100% Manufacturer: The Nason Company Part Number: SP-2BB-39-30-FA FSCM: 85814 Speed Switch SS1/SS2/SS3 Drawing Number: 70-1105-5 Material: Container cadmium plated per QQ-P-416, Type II, Class 2 Elements No 1 and 2:                                       Automatic reset at 100 rpm maximum below trip speed Elements No.  3:                                           Manual reset Contact Rating: Element No 1:                                          4 amperes inductive at 24 V dc, 2 amperes inductive at 32 V dc Elements No 2 and 3: 10 amperes inductive at 28 V dc Temperature Range: -5 to +1600F (-53 to 700C) Interchangeability: -1 and-3, -2 and 4; are Inter- changeable On-3 and-4 switches only: in order to check trip speed, apply 24 V dc to the switch, terminal E shall be positive and the case negative. 1-20