br238 miniature 25 amps ? 3pst, 1 pdt to mil - prf - 6106 specifications general contact arrangement ................................ . 3pst, 1 pdt weight ................................ .......................... 3.0 oz approx. designed to meet the requirements of mil - prf - 6106 performance contact rating (note 1): (case grounded) power contacts: resistive .............................. 25 amp s @ 28 vdc or 115/208v 400 hz inductive ................... 15 amps @ 115/208v 400 hz 12 amps @ 28 vdc motor ................................ ... 10 amps @ 28 vdc or 115/208v 400 hz lamp ................................ ..... 5 amps @ 28 vdc or 115/208v 400 hz auxiliary contacts: configuration ................................ ................... spdt resistive ................................ 2 amps @ 28 vdc or 115/208v 400 hz inductive ................................ ...... 1 amp @ 28 vdc 115/208v 400 hz lamp ................................ .. 0.5 amps @ 28 vdc or 115/208v 400 hz life ....................... 50,000 operations minimum @ rated resistive load, 125 o c pull in power ................................ ............ 500 mw approx. operate/release time: dc coil ac coil 15 ms max 50 ms max excluding bounce time at nominal coil voltage contact bounce time ................................ ....... 1 ms max @ rated contact load, 28 vdc contact voltage drop : before life ............................. 150 mv max @ 25 amps and 6 vdc after life ................................ 175 mv max @ 25 amps and 6 vdc environmental temperature range ............................... - 70 o c to +125 o c vibration (note 2) .............................. 0.12" da 10 - 70 hz 30 g's 70 - 3,000 hz shock (operating) (note 2) ......................... 200 g's 6 ms electrical characteristics duty cycle ................................ ........................ continuous insulation resistance ............................... 100 megohms @ 500v 25 o c dielectric strength: sea level: contact to case ................................ ... 1,250 vrms contact to coil ................................ ..... 1,250 vrms coil to case ................................ ......... 1,000 vrms across open contacts ........................ 1,250 vrms 80,000 feet: all points ................................ ................. 350 vrms notes: 1. for other ratings consult the factory. 3. ac coil line frequency 50 to 400 hz . 2. for applications requiring higher shock and vibration, consult the factory. 14930 e. alondra blvd., la mirada, ca 90638 - 5752 (714) 994 - 6500 fax (714) 994 - 3013 w:2000, rev. 3
------------------ ------------------------------------------ relay type ------------------------------------------ nominal coil resistance -------- - ------------------------ terminal style ----------------- -- -------- mounting type ------- --- ------- nominal coil voltage br238 - 290 c 2 - 28v br238 coil data: model br238 par t number br238 - 20()() - 6v br238 - 78()() - 12v br238 - 290()() - 28v br238 - 890()() - 48v br238ac - ()() - 115v (note 3) nominal coil voltage 6 vdc 12 vdc 28 vdc 48 vdc 115 vac maximum coil voltage 8 vdc 15 vdc 29 vdc 59 vdc 122 vac pull in voltage (max @ +125 o c) 4.5 vdc 9 vdc 18 vdc 36 vdc 90 vac drop out voltage (max) 1.8 vdc 3.5 vdc 5.1 vdc 11 vdc 5 - 30 vac coil resistance 10% @ 25 o c 20 ohms 78 ohms 290 ohms 890 ohms i = 0.04 amps schematic terminal view terminal styles mounting codes general notes ? unless otherwise specified, all tests made at nominal coil voltages, @ 25 o c. ? for special coil variations, switching configurations, terminals styles and mounting types, consult the factory. ? unless otherwise specified, tolerances on decimal dimensions are .010". ? specifications contai ned herein are subject to change without notice. 14930 e. alondra blvd., la mirada, ca 90638 - 5752 (714) 994 - 6500 fax (714) 994 - 3013 w:2000, rev. 3
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