R E L AY S A N D C O N TA C T O R S D.C. P o w e r C o n t a c t o r s - Ty p e 124 STANCOR Part Sec. Number Duty Cycle Terminal Pole Type* Form Coil Coil Resistance Bracket Volt. (Ohms) Style D.C. @ 25C Contact Rating-(Amps.) Inductive Load Volt. Normally Open Normally Closed D.C. Continuous Inrush** Continuous Inrush** Contact Material Dimensions Inches Case Weight Agency L W H (oz.) Certif. A 124-906 Continuous 3 SPNO Standard 12 13.2 Silver Alloy 12 100 400 - - 3.56 3.13 2.19 16.0 124-902 Continuous 4 SPNO Standard 12 13.2 Silver Alloy 12 100 400 - - 3.56 3.13 2.19 16.0 - 124-910 Continuous 6 SPDT Standard 12 13.2 Silver Alloy 12 100 400 50 200 4.69 3.13 2.19 19.0 - B 124-907 Continuous 3 SPNO Standard 24 53.0 Silver Alloy 24 100 400 - - 3.56 3.13 2.19 16.0 124-903 Continuous 4 SPNO Standard 24 53.0 Silver Alloy 24 100 400 - - 3.56 3.13 2.19 16.0 - 124-911 Continuous 6 SPDT Standard 24 53.0 Silver Alloy 24 100 400 50 100 4.69 3.13 2.19 19.0 - C 124-908 Continuous 3 SPNO Standard 36 120.0 Silver Alloy 36 100 400 - - 3.56 3.13 2.19 16.0 - 124-904 Continuous 4 SPNO Standard 36 120.0 Silver Alloy 36 100 400 - - 3.56 3.13 2.19 16.0 - 124-912 Continuous 6 SPDT Standard 36 120.0 Silver Alloy 36 100 400 50 100 4.69 3.13 2.19 19.0 - D 124-913 Continuous 4 SPNO Standard 48 213.0 Silver Alloy 36 100 400 - - 3.56 3.13 2.19 16.0 - For outline drawings refer to page 55. * Terminal Type: "3" = Grounded Coil, SPNO "4" = Isolated Coil, SPNO "6" = Isolated Coil, SPDT ** Inrush Current: Current applied within the first 1/2 second of contact closure Engine e r i n g D e s i g n D a t a D.C. Type Coil Rating Nominal Magnetic Coil Rating (Watts) 124 12 Operation in % of Nom. Coil VoltageRating Pick-up Max. Safe Operate 75% 110% Temperature Range Breakdown Voltages All Terminals - 60 Hz RMS Open Contacts Opposite Same To Polarity Polarity Ground 500 500 500 Contact Material Power Pilot Silver Alloy Gold Electrical Life Oper. Oper. At Per Rated Load Min. 50,000 2 Mechanical Life Oper. At No Load Oper. Per Min Max. Oper. Temp. F 100,000 6 150 Hardware Torque Specification -- -40F to 150F Terminations -- Contacts: 5/16"-24 UNF-2A thread -- Coil: #10-32 UNF-2A thread Recommended Mounting -- Vertical plane with coil terminals up. -- Contact Terminal: 60 inch-lbs., max. -- Coil Terminal: 12-18 inch lbs. -- C aution: A back-up wrench must be used to hold the bottom nut stationary Type 124 Custom Design Capabilities -- Coil voltages 6 VDC through 48 VDC -- High vibration -- Gold plated contacts for pilot duty (low load switching) applications -- Please complete application data form on page 95 of this section. Note: Caution must be used in coil selection for use in 12 volt systems where battery charging may expose coil to continuous, higher-than-rated voltage. Stancor will not be responsible for consequences of misapplied solenoids. 54 www.stancor.com R E L AY S A N D C O N TA C T O R S Type 124 Terminal Type 3 - Coil Grounded to Case SPNO .281 WIDE X .500 LONG SLOT 2.313 3.125 W 5/16-24UNF-2A X .547 (USABLE) LENGTH 1.250 3.563 L #10-32 UNF-2A X .320 LONG 2.188 H Terminal Type 4 - Isolated Coil SPNO .281 WIDE X .500 LONG SLOT 2.313 3.125 W 5/16-24UNF-2A X .547 (USABLE) LENGTH 1.250 3.563 L #10-32 UNF-2A X .320 LONG 2.188 H Terminal Type 6 - Isolated Coil SPDT .281 WIDE X .500 LONG SLOT 2.313 3.125 W 5/16-24UNF-2A X .547 (USABLE) LENGTH 2.344 4.688 L #10-32 UNF-2A X .320 LONG 2.188 H www.stancor.com 55