BR251
Miniature
25 Amps • 1PDT
Magnetic Latching
To MIL-PRF-6106
SPECIFICATIONS
GENERAL
Contact Arrangement
.......................... 1PDT (1 Form C)
Magnetic Latching
Weight..........................................................1.6
oz approx.
Designed to meet the requirements of MIL-PRF-6106
PERFORMANCE
Contact Rating
(Note 1):
Resistive ................................... 25 Amps @ 28 VDC or
115/208V 400 Hz
(Case Grounded)
Inductive ................................... 15 Amps @ 28 VDC or
(Case Grounded)
115/208V 400 Hz
12 Amps @ 28 VDC
(Case Grounded)
Motor......................................... 10 Amps @ 28 VDC or
115/208V 400 Hz
(Case Grounded)
Lamp .......................................... 5 Amps @ 28 VDC or
115/208V 400 Hz
(Case Grounded)
Latch/Reset 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
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
Life
.......................50,000 operations minimum @ rated
o
resistive load, 125 C
Latch/Reset Power..................................500
mw approx.
MIL-PRF-6106/20 QUALIFIED
Notes:
1. For other ratings consult the factory.
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. 4
3.
AC coil line frequency 50 to 400 Hz.
BR251
COIL DATA:
MODEL BR251 PART NUMBER
BR251-38()()-6V
BR251-150()()-12V
BR251-600()()-28V
BR251-1550()()-48V
BR251AC-()()-115V
(Note 3)
115 VAC
122 VAC
90 VAC
72 VAC
I = 0.04 AMPS
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
38 OHMS
12 VDC
15 VDC
9 VDC
6 VDC
150 OHMS
28 VDC
29 VDC
18 VDC
13 VDC
600 OHMS
48 VDC
59 VDC
36 VDC
24 VDC
1550 OHMS
------------------------------------------------------------------ Relay Type
----------------------------------------------- Nominal coil resistance
------------------------------------ Terminal style
----------------------------- Mounting Type
------------------- Nominal coil voltage
BR251
SCHEMATIC
TERMINAL VIEW
TERMINAL STYLES
-
600
A
1
-
28V
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.
• Unless otherwise specified, tolerances on decimal
dimensions are ± .010".
• Specifications contained 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. 4
stm32/stm8
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