BR237
Miniature
25 Amps • 3PST, 1PDT
Magnetic Latching
To MIL-PRF-6106
SPECIFICATIONS
GENERAL
Latch/Reset Time:
Contact Arrangement
.................................. 3PST, 1PDT
Magnetic Latching
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 Amps @ 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
.......................50,000 operations minimum @ rated
o
resistive load, 125 C
Latch/Reset Power..................................500
mw approx.
Life
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
o
o
Temperature Range
............................... -70 C to +125 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
o
@ 500V 25 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.
2.
For other ratings consult the factory.
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
3.
AC coil line frequency 50 to 400 Hz.
W:2000 Rev. 3
BR237
COIL DATA:
MODEL BR237 PART NUMBER
BR237-28()()-6V
BR237-112()()-12V
BR237-450()()-28V
BR237-1500()()-48V
BR237AC-()()-115V
(Note 3)
NOMINAL COIL VOLTAGE
MAXIMUM COIL VOLTAGE
LATCH/RESET VOLTAGE (MAX @ +125 C)
LATCH/RESET VOLTAGE (MAX)
COIL RESISTANCE ± 10% @ 25 C
o
o
6 VDC
8 VDC
4.5 VDC
3 VDC
28 OHMS
12 VDC
15 VDC
9 VDC
6 VDC
112 OHMS
28 VDC
29 VDC
18 VDC
13 VDC
450 OHMS
48 VDC
59 VDC
36 VDC
24 VDC
1500 OHMS
115 VAC
122 VAC
90 VAC
72 VAC
I = 0.04 AMPS
Relay Type
Nominal coil resistance
Terminal style
Mounting Type
Nominal coil voltage
BR237 -
450
C
2 - 28V
SCHEMATIC
TERMINAL VIEW
TERMINAL STYLES
MOUNTING CODES
GENERAL NOTES
• Unless otherwise specified, all tests made at nominal coil
o
voltages, @ 25 C.
• For special coil variations, switching configurations,
terminals styles and mounting types, consult the factory.
14930 E. Alondra Blvd., La Mirada, CA 90638-5752
• Unless otherwise specified, tolerances on decimal
dimensions are ± .010".
• Specifications contained herein are subject to change
without notice.
(714) 994-6500
FAX (714) 994-3013
W:2000 Rev. 3
NXP MCU
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