Series LR
Rev.092502
PAGE 1 OF 1
Series LR
25-40Amp • 120/240/480Vac • AC Output
Manufactured in Crydom’s ISO 9001
Certified facility for optimum product
performance and reliability.
OUTPUT SPECIFICATIONS ➀
Operating Voltage Range (47-63 Hz) [Vrms] 48-530
Load Current Range [Arms] 0.15-40
Transient Over-Voltage [Vpk] 1200
Max. Surge Current Non-Repetitive, (16.6ms) [Apk] 400
Min. Off-State dv/dt @ Max. Rated Voltage [
V/µsec] ➂500
Max.Off-State Leakage @ Rated Voltage [mArms]
Max. On-State Voltage Drop @ Rated Current [Vpk]
1.6
Max.Turn-On Time 1/2 cycle
Max. Turn-Off Time 1/2 cycle
Power Factor (Min.) WIth Max. Load 0.5
GENERAL SPECIFICATIONS
Dielectric Strength ➁2500 Vrms
Insulation Resistance (Min.) @ 500 Vdc ➁109Ohm
Max. Capacitance 8.0 pF
Ambient Operating Temperature Range -30 to 80˚C
Ambient Storage Temperature Range -30 to 125˚C
MECHANICAL SPECIFICATIONS
Weight: (typical) 0.5 oz. (14.4 g)
GENERAL NOTES
➀All parameters at 25˚C unless otherwise specified.
➁Dielectric and insulation resistance are measured between input and output.
➂Off-State dv/dt test method per EIA/NARM standard RS-443.
•DC Control, AC Output
•Zero Cross and Random Switching
•Up to 1200V Transient Capability
Max. I t For Fusing (8.3 msec.) [A sec] 660
INPUT SPECIFICATIONS ➀
Control Voltage Range 4-32 Vdc
Must Turn On Voltage 4 Vdc
Must Turn Off Voltage 1 Vdc
0.1
© 2002 CRYDOM CORP, Specifications subject to change without notice.
•SCR Output
•PCB Mount
2
2
Typical Input Current at 5Vdc 9 mA
1.38
(35.0)
.78
(19.8)
1.12
(28.4)
1.0
(25.4)
.500
(12.7) .39
(9.8)
.25
(6.3)
.050 Typ.
(1.2)
M
E
C
HANI
C
A
L
DIM
E
N
S
ION
S
All dimensions are in inches (millimeters)
Input
Output
+
-AC
AC
30
20
10
25
15
5
0510 202515 20 40 60 80
Load Current [Arms] Max Ambient Temp. [˚C]
Power Dissipation
95
120
Base Plate Temp [˚C]
25A
1˚C/W 100
110
3˚C/W 2˚C/W
CURRENT DERATING CURVES
•Low Profile
MODEL NUMBERS Zero Cross Turn-on LR600240D25 LR600240D40 LR1200480D25 LR1200480D40
Random Turn-on LR600240R25 LR600240R40 LR1200480R25 LR1200480R40
48-530
0.15-25
1200
250
500
1.6
1/2 cycle
1/2 cycle
0.5
260
0.1
24-280
0.15-40
600
400
500
1.6
1/2 cycle
1/2 cycle
0.5
660
0.1
24-280
0.15-25
600
250
500
1.6
1/2 cycle
1/2 cycle
0.5
260
0.1
➃Turn on time for random switching models is 0.1 ms
➄Input circuitry incorporates active current limiter.
➃
➄
For recommended applications and more information contact:
USA: Sales Support (877) 502-5500 Tech Support (877) 702-7700 FAX (619) 710-8540
Crydom Corp, 2320 Paseo de las Americas, Ste. 201, San Diego, CA 92154
Email: sales@crydom.com
WEB SITE: http://www.crydom.com
UK: +44 (0)1202 365070 • FAX +44 (0)1202 365090 Crydom International Ltd., 7 Cobham
Road, Ferndown Industrial Estate, Ferndown, Dorset BH21 7PE, Email: intsales@crydom.com.
GERMANY: +49 (0)180 3000 506
60
40
20
010 20 40 5030 20 40 60 80
Load Current [Arms] Max Ambient Temp. [˚C]
Power Dissipation
90
Base Plate Temp [˚C]
40A
2˚C/W
1˚C/W .5˚C/W
100
110
120
1.5˚C/W
APPROVALS
UL (Pending)
CSA (Pending)
VDE (Pending)
