ENGINEERING DATA SHEET
FD400
RELAY - NONLATCH
2 PDT, 10 AMP/56VDC
Polarized, non latching hermetically sealed relay
Contact arrangement
Coil supply
2 PDT NC - NO (DB - DM)
Direct current
PRINCIPLE TECHNICAL CHARACTERISTICS
Contacts rated at
Weight
Dimensions of case
Intrinsically safe relay.
10 Amps / 56 Vdc
80 grams max
26mm x 25.7mm x 26mm max
Hermetically sealed, corrosion protected metal can.
APPLICATION NOTES:
001
002
007
APPLICABLE SOCKET:
SFD400CE40E
CONTACT ELECTRICAL CHARACTERISTICS
Minimum
operating cycles
100,000 cycles
20,000 cycles
50 cycles
400,000 cycles
Contact rating per
pole and load type
resistive load
inductive load (L/R=5ms)
resistive overload
at 25% rated resistive load
Load Current in Amps
@56Vdc
10
6
40
LEACH
®
INTERNATIONAL
Solutions for Power Switching and Control
North America
6900 Orangethorpe Ave.
P.O. Box 5032
Buena Park, CA 90622 USA
Tel: (01) 714-736-7599
Fax: (01) 714-670-1145
Europe, SA
2 Rue Goethe
57430 Sarralbe
France
Tel: (33) 3 87 97 98 97
Fax: (33) 3 87 97 84 04
Asia-Pacific Ltd.
20/F Shing Hing Commercial Bldg.
21-27 Wing Kut Street
Central, Hong Kong
Tel: (852) 2 191 2886
Fax: (852) 2 389 5803
www.leachintl.com
Date of issue: 6/00
- 101 -
Page 1 of 4
COIL CHARACTERISTICS (Vdc)
CODE
Nominal operating voltage
Maximum operating voltage at +125° C
Maximum pickup voltage at +125° C
Guaranteed drop-out voltage at -65° C
Coil resistance in
Ω
±10% at +25° C
Back EMF suppression to (Vdc)
A
6
7
5
0.2
18
N/A
B
12
14
10
0.5
70
N/A
C
28
29
19.8
1.5
290
N/A
E
28
29
19.8
1.5
290
-42
N
48
50
34.1
2
955
N/A
FD400
V
110
125
75
5
5000
N/A
GENERAL CHARACTERISTICS
Temperature range
Dielectric strength at sea level
- Contacts to ground and between contacts
- Coil to ground
Dielectric strength at altitude 25,000 m (all points)
Initial insulation resistance at 500 Vdc
Sinusoidal vibration (except G, O and R mounting)
Sinusoidal vibration (G, O and R mounting only)
Shock (except G, O and R mounting)
Shock (G, O and R mounting only)
Maximum contact opening time under vibration and shock
Operate time at nominal voltage
Release time
Bounce time
Contact voltage drop at nominal current
- initial value
200 mV max
1250 Vrms / 50 Hz
1000 Vrms / 50 Hz
350 Vrms / 50 Hz
100 M
Ω
min
30 G / 75 to 3000 Hz
20 G / 75 to 3000 Hz
200 G / 6 ms
100 G / 6 ms
10 µs
15 ms max
15 ms max
1 ms max
-65°C to +125°C
Date of issue: 6/00
- 102 -
Page 2 of 4
MOUNTING STYLES
FD400
Dimensions in mm
Tolerances unless otherwise specified ±0.25mm
TERMINAL TYPES
Date of issue: 6/00
- 103 -
Page 3 of 4
SCHEMATIC DIAGRAM
FD400
NUMBERING SYSTEM
FD400 - J
2
N
Basic series designation__________________________|
|
|
|
1-Mounting Style (A,B,C,D,G,J,K,O,R)____________________|
|
|
2-Terminal Types (1,2,4,8)__________________________________|
|
3-Coil Voltage (C,B,A,N,E,V)____________________________________|
NOTES
1.
Relays with mounting styles B,C,D and terminal type 4 are compatible with socket families S400, SF400, and
SFD400.
2.
Isolation spacer pads for PCB mounting available on request.
3.
For other mounting styles or terminal types, please contact the factory.
TYPICAL CHARACTERISTICS
q
q
q
Coil resistance/temperature change: See application note no. 001
L/R ratio for all types of DC coils is: = 11 ms
Switching life for operation on DC voltage other than 28V: See application note no. 002
Date of issue: 6/00
- 104 -
Page 4 of 4
Application notes
N°001
CORRECTION DUE TO COIL COPPER WIRE RESISTANCE
CHANGE IN TEMPERATURE
Example: Coil resistance at 25°C: 935 ohms. What is it at 125°C?
Correction coefficient on diagram is: 1.39 at 125°C. R becomes: 935x1.39=1299 Ohms
Correction also applies to operating voltages
Date of issue: 6/00
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