19
Ledex® Solenoids www.ledex.com 1.937.454.2345 Fax: 1.937.898.8624
High Speed Solenoids
All specifications subject to change without notice.
All catalog products manufactured after
April 1, 2006 are RoHS Compliant
Force values for reference only.
Ledex® Low Profile Size 3EF/3EC — Push or Pull
Size 3EF Short Stroke, Flat Face
Part Number: 124912-0XX
Specifications
Dielectric Strength 23-27 awg, 1000 VRMS ; 28-33 awg,
1200 VRMS
Recommended Maximum watts dissipated by
Minimum Heat Sink solenoid are based on an unrestricted
flow of air at 20°C, with solenoid
mounted on the equivalent of an
aluminum plate measuring 45⁄8”
square by 1⁄8” thick
Coil Resistance 23-33 awg, ±5%
Weight 3.75 oz (106.3 gms)
Holding Force 3EF 26.0 lb (115.6 N) @ 105°C
Holding Force 3EC 12.0 lb (53.4 N) @ 105°C
Dimensions Ø1.312" x 0.690" L (See page 32)
Size 3EC Medium Stroke, Conical Face
Part Number: 123423-0XX
Size 3EC— Typical Force @ 20°CSize 3EF— Typical Force @ 20°C
Performance
Maximum Duty Cycle 100% 50% 25% 10%
Maximum ON Time (sec) ∞ 100 36 8
when pulsed continuously1
Maximum ON Time (sec) ∞ 162 44 9
for single pulse2
Watts (@ 20°C) 9 18 36 90
Ampere Turns (@ 20°C) 535 756 1070 1690
Coil Data
awg Resistance # VDC VDC VDC VDC
(0XX)3 (@20°C) Turns4 (Nom) (Nom) (Nom) (Nom)
23 0.70 145 2.6 3.7 5.2 8.2
24 1.18 192 3.3 4.6 6.6 10.4
25 1.97 252 4.2 5.9 8.4 13.2
26 3.26 328 5.3 7.5 10.6 16.8
27 5.04 405 6.7 9.4 13.3 21.0
28 8.02 510 8.4 11.9 16.8 27.0
29 12.21 627 10.4 14.7 21.0 33.0
30 19.20 780 13.2 18.6 26.0 42.0
31 31.84 1008 16.9 24.0 34.0 53.0
32 46.97 1215 21.0 29.0 41.0 65.0
33 75.30 1530 26.0 37.0 53.0 83.0
1 Continuously pulsed at stated watts and duty cycle
2 Single pulse at stated watts (with coil at ambient room
temperature 20°C)
3 Other coil awg sizes available — please consult factory
4 Reference number of turns
Size 3EF and 3EC – Typical Speed @ No Load, 20°C
How to Order
Add the coil awg number (0XX) to the part number
(for example: to order a 25% duty cycle unit rated at 13.3
VDC, specify 124912-027).
Please see www.ledex.com (click on Stock Products tab)
for our list of stock products available through our North
American distributors.
Force - lb (newtons)
Stroke - in (mm)
4.0
(17.8)
0
8.0
(35.6)
12.0
(53.4)
16.0
(71.2)
20.0
(89.0)
0.040
(1.02)
0.080
(2.03)
0.120
(3.05)
0.160
(4.06)
0.200
(5.08)
0.240
(6.10)
0.280
(7.11)
10% Duty Cycle 90W
25% Duty Cycle 36W
50% Duty Cycle 18W
100% Duty Cycle 9W
Force - lb (newtons)
Stroke - in (mm)
0.010
(0.25)
0 0.020
(0.51)
0.030
(0.76)
0.040
(1.02)
0.050
(1.27)
0.060
(1.52)
0.070
(1.78)
8.0
(35.6)
16.0
(71.2)
24.0
(106.8)
32.0
(142.3)
40.0
(177.9)
10% Duty Cycle 90W
25% Duty Cycle 36W
50% Duty Cycle 18W
100% Duty Cycle 9W
Time - ms
Stroke - in (mm)
8
0.080
(2.03)
0
16
24
32
40
0.160
(4.06)
0.240
(6.10)
0.320
(8.13)
0.400
(10.16)
100% Duty 9W
50% Duty 18W
25% Duty 36W
10% Duty 90W
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Ledex® Solenoids www.ledex.com 1.937.454.2345 Fax: 1.937.898.8624
High Speed Solenoids
0.88
(22.35)
max
-
0.036 +0.010
-
(0.914 +0.254) -
0.500 +0.015
-
(12.7 +0.381)
-
0.250 +0.001
-
(6.35 +0.025)
-
0.500 +0.015
-
(12.7 +0.381)
-
1.363 +0.015
-
(34.620 +0.381)
0.75
(19.05)
1.250
(31.75)
Leads 10" min
20 AWG PVC
#8-32 NC-2A thd
1.875 + 0.031/-0.010
(47.625 + 0.787/-0.254)
dia. -
0.625 +0.010
-
(15.875 +0.254)
0.835
(21.209)
max
-
0.034 +0.010
-
(0.864 +0.254) -
0.500 +0.015
-
(12.7 +0.381)
(4EF Only)
-
0.218 +0.001
-
(5.537 +0.025)
-
0.500 +0.015
-
(12.7 +0.381)
-
1.322 +0.015
-
(33.579 +0.381)
0.75
(19.05)
1.062
(26.975)
0.53
(13.46)
Leads 10" min
22 AWG PVC
#6-32 NC-2A thd
1.562 + 0.031/-0.010
(39.675 + 0.787/-0.254)
dia.
0.69
(17.53)
max
-
0.028 +0.007
-
(0.711 +0.178) -
0.437 +0.015
-
(11.100 +0.381)
(3EF Only)
-
0.187 +0.001
-
(4.750 +0.025)
-
0.500 +0.015
-
(12.7 +0.381)
-
1.171 +0.015
-
(29.743 +0.381) -
0.625 +0.010
-
(15.875 +0.254)
0.875
(22.225)
0.44
(11.18)
Leads 10" min
24 AWG PVC
#5-40 NC 2A thd
1.312 + 0.031/-0.010
(33.325 + 0.787/-0.254)
dia.
Ledex® Low Profile Dimensions
Size 3EF/3EC
Size 4EF/4EC
Size 5SF
Inches (mm)
All solenoids are illustrated in energized state
All specifications subject to change without notice.
All solenoids are illustrated in energized state
