CII Mid-Range Relays
FCA-125 Series, 25 Amperes, SPDT
The Series FCA-125 relay
is a polarized single-side
stable design, where the
flux from a permanent
This results in appreciably
General Specifications
Temperature Rating —
-70˚C TO + 125˚C
Altitude — 300,000 Feet
Shock* —
Z, Y, & X Enclosures —
200 g for 6 mS
W & M Enclosures (Stud Mtg.) —
100 g for 6 mS
Vibration, Sinusoidal* —
Z, Y, & X Enclosures —
30 g 33-3000Hz
W & M Enclosures (Stud Mtg.) —
20 g 33-3000Hz
increased contact pressure
in both states over that of a
spring return nonpolar
design. We also
magnet provides the
armature holding force in
the deactivated state, and
its flux path is switched and
combined with the coil flux
in the operated state.
manufacture other versions
of this relay:
FCA-325 — 25 Ampere
3PDT Relay
FCAC-325 — 25 Ampere
3PST-NO Relay with 2 amp
SPDT auxiliary
Product Facts
n Hermetically Sealed
n All Welded Construction
n Balanced Force
Vibration, Random* —
Z, Y, & X Enclosures —
0.4 g2/Hz 50-2000Hz
W & M Enclosures (Stud Mtg.) —
n Permanent Magnet Drive
0.2 g2/Hz 50-2000Hz
n Contacts — Silver Cadmium
Dielectric Strength —
At Sea Level —
All circuits to ground and circuit to
circuit — 1250 V rms
Coil to ground — 1000 V rms
At 80,000 Feet — 350 V rms
Insulation Resistance —
Initial (500 VDC) — 100 MΩ Min.
After Life or Environmental Tests —
50 MΩ Min.
Oxide with Gold Plating
n Coils for DC, 50 to 400Hz
and 400Hz AC
Contact Rating — Amperes
Ratings Are Continuous Duty
n Weight 1.6 ounces max.
(45.4 grams)
Type of
Load
Life (Min.)
115VAC
400Hz
115VAC
60Hz*
10
10
—
8
28 VDC
Cycles x 103
Resistive
Inductive
Inductive
Motor
50
10
20
50
50
25
12
—
10
5
25
—
15
10
5
n Qualified to M6106/19,
M83536/36, /37
Operate Time at Nominal
Voltage —
DC Relays — 10 ms or less
AC Relays — 15 ms or less
Lamp
—
*60 Hz loads rated for 10,000 operations
Release Time at Nominal
Voltage —
DC Relays — 10 ms or less
AC Relays — 50 ms or less
5
Overload Current — 50 AMPS DC, 80 AMPS 400Hz
Rupture Current — 60 AMPS DC, 100 AMPS 400Hz
Contact Make Bounce —1 MILLISECOND AT NOMINAL VOLTAGE
Max. Contact Drop at 25 Amps — INITIAL 0.150 VOLTS
End of Life — 0.175 VOLTS
* Max. contact opening under vibration
or shock 10 microseconds
Coil Data
Over Temperature Range
Coil
Code
Nominal
Voltages
Freq.
Hz
DC Res.
AC Amps (B)
Pickup or
Dropout or
Above Volts
Must Hold
Voltage (C)
Below Volts
1
2
3
6
DC
DC
20 Ω
80 Ω
4.5
0.3
0.75
1.5
2.5
4.5
12
9.0
28
DC
320 Ω
320 Ω
920 Ω
180 mA
100 mA
40 mA
30 mA
18.0
18.0
32.0
22.0
22.0
90.0
95.0
7.0
4 (A)
28
DC
1.5
7.0
5
6
7
8
9
48
DC
2.5
14.0
10.0
10.0
40.0
40.0
28
400Hz
50/400Hz
400 Hz
50/400 Hz
1.25
1.25
5.0
28
115
115
5.0
A. CODE 4 COILS HAVE BACK EMF SUPPRESSION TO 42 VOLTS MAX.
B. DC COIL RESISTANCE 10% AT 25˚C; AC COIL MAX. CURRENT AT NOMINAL VOLTAGE.
C. RELAY WILL STAY IN PICKED-UP STATE DOWN TO MUST HOLD VOLTAGES SHOWN.
D. MAX. OVERVOLTAGE: 6 & 12 VDC COILS 120% OF NOMINAL; ALL OTHERS 110% OF NOMINAL.
E. COILS AVAILABLE FOR OTHER VOLTAGES AND FOR AC 50/60HZ.
NOTE: Only DC Coil Models are QPL Approved.
5–21
Catalog 5-1773450-5
Revised 3-13
Dimensions are shown for
Dimensions are in millimeters
unless otherwise specified.
USA: +1 800 522 6752
Asia Pacific: +86 0 400 820 6015
UK: +44 800 267 666
For additional support numbers
please visit www.te.com
reference purposes only.
Specifications subject
to change.
www.te.com
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