SF4D-DC24V Panasonic Electric Works, SF4D-DC24V Datasheet - Page 2

• Manufacturer Part Number: SF4D-DC24V
• Description: RELAY SAFETY 6A 24VDC PCMNT 8PST
• Manufacturer: Panasonic Electric Works
• Series: SFr
• Type: Safety Relayr

Specifications of SF4D-DC24V

• Relay Type: Safety
• Contact Form: 8PST (4 Form A, 4 Form B)
• Contact Rating (current): 6A
• Switching Voltage: 250VAC
• Coil Type: Standard
• Coil Current: 20.8mA
• Coil Voltage: 24VDC
• Turn On Voltage (max): 14.4 VDC
• Turn Off Voltage (min): 3.6 VDC
• Mounting Type: Through Hole
• Termination Style: PC Pin
• Circuit: 8PST (4 Form A, 4 Form B)
• Contact Rating @ Voltage: 6A @ 250VAC
• Control On Voltage (max): 14.4 VDC
• Control Off Voltage (min): 3.6 VDC
• Brand/series: SF Series
• Current, Rating: 6 A
• Function: Safety
• Material, Contact: Gold-Flashed Silver Alloy
• Number Of Pins: 18
• Resistance, Coil: 1.152 Ohms
• Standards: cULus, TUV, CSA
• Temperature, Operating: -40 to +70 °C
• Termination: Solder
• Voltage, Breakdown: 2500 V (RMS) (Between Contacts and Coil)
• Voltage, Control: 24 VDC
• Voltage, Rating: 380 VAC
• Weight: 1.66 Oz. (Approx.)
• Relay Construction: Non-Latching
• Contact Arrangement: 4PST-NO/4PST-NC
• Coil Voltage Dc: 24V
• Voltage Rating (vdc): 30V
• Voltage Rating (vac): 440V
• Dropout Volt (min): 3.6VDCV
• Coil Resistance: 1.152kohm
• Pick-up Voltage (max): 18VDC
• Maximum Power Rating: 180W/1.5KVA
• Operate Time: 30ms
• Contact Current Rating: 6A
• Contact Material: Silver Tin Oxide/Gold Flash
• Coil Suppression Diode: No
• Push To Test Button: No
• Led Indicator: No
• Seal: Unsealed
• Product Height (mm): 16.5mm
• Product Depth (mm): 33mm
• Product Length (mm): 53.3mm
• Operating Temp Range: -40C to 70C
• Pin Count: 18
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 255-1441

SF4D
COIL DATA
ELECTRICAL LIFE
*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.
REFERENCE DATA
2
Load limit curve
Loads in the range under the curve can be switched safely.
The arc will extinguish before the opposite contact makes.
230V AC
250V AC
230V AC
230V AC
SF4D-DC12V
SF4D-DC18V
SF4D-DC21V
SF4D-DC24V
SF4D-DC36V
SF4D-DC48V
SF4D-DC60V
24V DC
24V DC
24V DC
Voltage
Part number
SF4D-DC5V
SF4D-DC9V
Coil nominal voltage
Current
30 / 3A
8A
6A
6A
8A
3A
3A
V DC
12
18
21
24
36
48
60
5
9
L/R = 40ms
Load type
AC 15
DC 13
AC 1
AC 1
AC 1
DC 1
Operate voltage
*1
*1
13.50
15.75
18.00
27.00
36.00
45.00
V DC
3.75
6.75
9.00
Frequency
0.25Hz
0.33Hz
0.33Hz
0.33Hz
0.33Hz
0.33Hz
0.33Hz
Coil voltage characteristics
Permissable coil voltages and pick-up and drop-out
characteristics at various ambient temperatures.
Release voltage
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
-50 -40 -30 -20 -10 0
V DC
0.75
1.35
1.80
2.70
3.15
3.60
5.40
7.20
9.00
Average value of pick-up voltage
without previous coil heating
Duty cycle
25%
50%
10%
10%
10%
10%
10%
Minor increase due to
temperature compensation
Permissible coil voltage
with contact load of 4 x 6A
(nominal coil resistance)
Ambient temperature °C
10 20
 (
Average value of drop-out voltage
without previous coil heating
Coil resistance
30

10%, 20°C)
40
No. of contacts
1152
2592
4608
7200
162
288
648
882
50
50
4
*2
60
4
2
1
2
1
1
*2
/ 8
*3
*3
*3
*3
*3
ds_61407_en_sf4d: 011010D
70
*3
Permissible coil
voltage without
contact load
(nominal coil
resistance)
80
90
100
110
Coil inductance
No. of ops.
100,000
200,000
200,000
200,000
100,000
85,000
(mH)
50,000
2097
3654
5612
145
252
551
742
959
47
*5
*5
*4,*5
*4,*5
*4,*5
*4,*5
*4,*5