SF2D
1
ds_61404_en_sf2d: 130312D
SPECIFICATIONS
ORDERING INFORMATION
Polarized monostable
safety relay with forcibly
guided double contacts SF2D
RELAY
FEATURES
• Relay complies with EN 50205, Type A
• Overvoltage category as per IEC 60664-1 III / 4kV
• Rated voltage as per IEC 60664-1 basic insulation
• Relay complies with IEC/EN 60335-1 (GWT)
• For applications according to EN 50155*
*For details, please contact your local Panasonic Electric Works representative.
53.3
length: 3.0
25.0
16.5
Tolerance 0.3mm
Weight approx. 47g Coil-contact
Polution degree
2
inside
3
inside
2
outside
Contact-contact
400V 400V
400V400V 400V
250V
Contact
Coil
Remarks
*1 According to EN 60947-5-1: 1997, table 4 AC15 / DC13
*2 Contact interruption <10s
*3 Breathing hole open
Characteristics
Important: Relay characteristics may be influenced by:
• strong external magnetic fields
• magnetic conductive materials near the relay
• narrow top-to-top mounting (printed surface to printed surface)
Note:
Suitable for most common washing methods except ultrasonic cleaning.
Contact configuration (a = normally open / NO,
b = normally closed / NC) 2a2b
Contact material AgSnO2, with Au flash
Contact resistance (initial at 6V DC, 1A) 30m
Making and breaking capacities (breathing
hole open)*1 6A 250V / 3A 24V
Max. switching voltage 400V
Min. switching voltage / min. switching current 10V / 10mA
Pick-up / drop-out / bounce time
(approx. values at Unominal)17.5 / 7 / 2ms
Mechanical life 107ops
Operate / release voltage (% of Unominal at
20°C) 75% / 10%
Pick-up/nominal power consumption at 20°C 280 / 500mW
Max. switching frequency (without load) 10Hz
Permissible ambient temperature at nominal
power consumption -40°C to +70°C
Upper temperature limit 105°C
Test voltage:
open contact / contact-contact / contact-coil 2500 / 2500 /
2500Vrms
Insulation resistance at 500V DC (initial) 109
Shock resistance (11ms) NO/NC*2 30G
Vibration resistance 10 – 200 Hz (10 – 55 Hz,
amplitude 2 mm)*2 10G
Degree of protection IP67 / IP30*3
Unit weight 37g
Ex. SF2D DC12 V
5, 9, 12, 18, 21
24, 36, 48, 60
Coil voltage (DC)
Note: Standard packing; Carton: 20 pcs. Case 200 pcs.
SF2D
2ds_61404_en_sf2d: 13031D
COIL DATA
ELECTRICAL LIFE
REFERENCE DATA
Part number Coil nominal voltage
V DC Operate voltage
V DC Release voltage
V DC Coil resistance
(10%, 20°C) Coil inductance
(mH)
SF2D-DC5V 5 3.75 0.5 50 47
SF2D-DC9V 9 6.75 0.9 162 145
SF2D-DC12V 12 9.00 1.2 288 252
SF2D-DC18V 18 13.50 1.8 648 551
SF2D-DC21V 21 15.75 2.1 882 742
SF2D-DC24V 24 18.00 2.4 1152 959
SF2D-DC36V 36 27.00 3.6 2592 2097
SF2D-DC48V 48 36.00 4.8 4608 3654
SF2D-DC60V 60 45.00 6.0 7200 5612
Voltage Current Load type Frequency Duty cycle No. of contacts No. of ops.
230V AC 8A AC 1 0.25Hz 25% 2*2 85,000*5
250V AC 6A AC 1 0.33Hz 50% 4*2 100,000*5
230V AC 6A AC 1 0.33Hz 10% 2*3 200,000*4,*5
230V AC 30 / 3A AC 15*1 0.33Hz 10% 1*3 150,000*4,*5
24V DC 8A DC 1 0.33Hz 10% 2*3 200,000*4,*5
24V DC 3A DC 13*1 0.33Hz 10% 1*3 50,000*4,*5
24V DC 3A L/R = 40ms 0.33Hz 10% 1*3 100,000*4,*5
*1 EN 60947-5-1: 1997; table C.1
*2 Breathing hole closed
*3 Breathing hole open
*4 Ambient temperature +70°C
*5 Dielectric strength according to EN61810-1:2004.
Coil voltage characteristicsLoad limit curve
-50 -40 -30 -20 -10 0 10 20 807060504030 10090 110
Ambient temperature [°C]
0.1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
1.0
1.7
1.6
1.5
1.4
1.3
1.2
1.1
Ucoil / Ucoil rated
Permissible coil
voltage without
contact load
(nominal coil
resistance)
Minor increase due to
temperature compensation
Average value of pick-up voltage
without previous coil heating
Permissible coil voltage
with contact load of 2 x 10A
and close mounting of 5 relays
(nominal coil resistance)
Average value of drop-out voltage
without previous coil heating
Loads in the range under the curve can be switched safely.
The arc will extinguish before the opposite contact makes. Permissable coil voltages and pick-up and drop-out
characteristics at various ambient temperatures.
SF2D
3
ds_61404_en_sf2d: 130312D
DIMENSIONS (mm inch)
2 Form A 2 Form B
APPLICATION NOTES
If required a breathing hole can be made in the cover by removing the nipple.
However be aware that the degree of protection will be reduced from IP67 to IP30!
For Cautions for Use, see Relay Technical Information.
-50 -40 -30 -20 -10 0 10 20 807060504030 10090 110
5
10
25
20
15
Ucoil = 0%, Load on NC 5 -6
Ucoil = 50%, Load on all NO
Ucoil = 100%, Load on all NO
Ucoil = 150%, Load on all NO
The curves are determined by
the contact resistance
Ambient temperature [°C]
Thermal continuous current I th [A]
Contact current characteristics
Download from our Web site.
CAD Data
CAD Data
CAD Data External dimensions
General tolerance: 0.3 .012
12.7
53.3±0.5
12.712.7
5.08
6587
109
1
2
1211
16±0.5
12.7
3.0±0.5
0.5
0.48
25.0
7.62
1.0
0.30
.500
2.098±.020
.500.500
.200
.630±.020
.500
.118±.020
.020
.019
.984
.300
.039 1.0
.039
.012
Tolerance: 0.1 .004
o
o
o o oo
o o oo
o
o
o o o o
o o o o
5
11 12
876
-
2
1
+
910
Grid 2.54
6.15
7.6 1.4 - typical value for
manual insertion
1.6 - typical value for
automatic insertion
5.68
Schematic (Bottom view)
The contacts are shown in the deenergized condition.
PC board pattern (Bottom view)
Nipple