SFN4D-DC24V Panasonic, SFN4D-DC24V Datasheet

General Purpose / Industrial Relays Safety Relay 24VDC 4 Form A 2 Form B

SFN4D-DC24V

Manufacturer Part Number
SFN4D-DC24V
Description
General Purpose / Industrial Relays Safety Relay 24VDC 4 Form A 2 Form B
Manufacturer
Panasonic
Datasheet
1.SFN4D-DC36V.pdf (8 pages)

Specifications of SFN4D-DC24V

Contact Form
4 - NO, 2 - NC
Coil Voltage
24 VDC
Contact Termination
Through Hole
Mounting Style
PCB
Power Consumption
390 mW
Contact Material
Silver Tin Oxide
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
SPECIFICATIONS
Contact
Coil
*1 See “ELECTRICAL LIFE (Reference Data)
*2 Without diode
*3 See also “REFERENCE DATA” on page 3.
*4 Contact interruption <10μs
*5 According to EN 61810-1: 2004, table 2
ORDERING INFORMATION
ds_61408_0000_en_sfn4d: 141106D
Ex. SFN4D
Contact configuration (a = normally open / NO,
b = normally closed / NC)
Contact material
Contact resistance (initial at 6V DC, 1A)
Typical contact resistance
Max. switching capacity
Max. switching voltage
Min. switching voltage / min. switching current Reference 10V / 10mA
Pick-up / drop-out / bounce time
(approx. values at U
Mechanical life
Operate / release
and holding at 20°C (% of U
Pick-up/nominal power consumption
14.5
Tolerance ±0.3 mm
Weight approx. 42 g
Notes: 1) Standard packing; Tube: 10 pcs. Case 100 pcs.
5, 9, 12, 16, 18, 21
Coil voltage (DC)
24, 36, 48, 60
2) Other coil voltage available upon request
DC12 V
nominal
53.3
)
nominal
)
*3
*1
” on page 2.
Length: 3.0
AgSnO
219-236 / 390-420mW
33.0
6A/8A
500V AC / DC
WITH FORCIBLY GUIDED
23 / 6
75% / 25%
min. 48%
2
≤30mΩ
10
2.5mΩ
, with Au flash
4a2b
*1
*2
7
250V AC
ops
/ 2ms
SAFETY RELAY
LOW PROFILE
CONTACTS
Features
• Relay complies with EN 50205, Type B
• Polarized magnet system with snap action function
• Extremely small total power loss
• Relay height, 14.5mm
• Reinforced insulation according to EN 50178
- Nominal coil power consumption of 390mW
- Double contacts with low contact resistance,
- between coil-contacts and contacts-contacts
- rated voltage of the circuits 230 / 400V or 277 / 480Vrms
e.g. [(6A)
- rated impulse voltage of 6kV
- pollution degree 2
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)
Max. switching frequency (without load)
Permissible ambient temperature at nominal
power consumption
Upper temperature limit
Test voltage:
open contact / contact-contact / contact-coil
Insulation resistance at 500V DC (initial)
Shock resistance (11ms) NO/NC
Vibration resistance 10 – 200 Hz (10 – 55 Hz,
amplitude 2 mm)
Degree of protection
Unit weight
2
×
2.5mΩ]
*4
×
→
4NO = 360mW
*3
creepage distance
→
*4
SFN4D
clearance
RELAY
≥
≥
5.5mm
5.5 mm
-25°C to 92°C
2500 / 4000 /
5000V
SFN4D
20 / 15G
RT III
105°C
10
10G
5Hz
42g
9
Ω
rms
*5
1

SFN4D-DC24V Summary of contents

Page 1

... Without diode *3 See also “REFERENCE DATA” on page 3. *4 Contact interruption <10μs *5 According to EN 61810-1: 2004, table 2 ORDERING INFORMATION Ex. SFN4D DC12 V Coil voltage (DC 12, 16, 18, 21 24, 36, 48, 60 Notes: 1) Standard packing; Tube: 10 pcs. Case 100 pcs. 2) Other coil voltage available upon request ...

Page 2

... Coil nominal voltage V DC SFN4D-DC5V SFN4D-DC9V SFN4D-DC12V SFN4D-DC16V SFN4D-DC18V SFN4D-DC21V SFN4D-DC24V SFN4D-DC36V SFN4D-DC48V SFN4D-DC60V *1 Operate and release voltage at different temperatures, see “REFERENCE DATA” on page 3, coil voltage characteristics. SWITCHING CAPABILITY • Making / breaking capacities according to EN 60947-5-1: 2000, table AC15: 6A 230V AC / DC13: 6A 24V DC • ...

Page 3

... Ambient temperature [ ds_61408_0000_en_sfn4d: 141106D Coil voltage characteristics operative range of the coil voltage operate and release voltage with the +/-3σ range min. release voltage at the end of the electrical life - Ambient temperature [ C] Switching time in relation to coil excitement at 20°C ...

Page 4

... Load limit curve 300 W 250 W 200 W 150 W 100 0.2 0.3 0.5 0.5 0 Contact current [A] Time / current characteristic SFN4D, Contact withstand current Fuse-link 6,3A F (quick acting) glass tube mm, 250V IEC 60 127-2/2 0 Time [Sec 100 1000 10000 100000 ds_61408_0000_en_sfn4d: 141106D ...

Page 5

... Legend for interpreting contact conditions Contact NC (Normally Closed) Condition Closed Fully open Symbol Maximum Contact gap 0 (~1.5mm) The SFN4D under normal operating conditions Condition - Coil deenergized. - Armature in deenergized position contacts closed contacts have a contact gap of approx. 1.5mm. - Coil energized. - Armature in energized position. ...

Page 6

... SFN4D The SFN4D safety relay with welded contacts Condition Illustration of Relay State - NC 5-6 welded. - Coil energized. - Armature nearly in deenergized position 16-15 welded. - Coil energized. - Armature nearly in deenergized position 12-11 welded. - Coil deenergized. - Armature nearly in energized position 14-13 welded. - Coil deenergized. - Armature in nearly energized position ...

Page 7

... One contact welded, e.g. NO 9-10 of K1. One contact welded, e.g. NO 12-11 of K2. One contact welded, e.g. NO 9-10 of K1. One contact welded, e.g. NO 12-11 of K2. Both contacts of one path are welded, e.g. NO 7-8 and NO 14-13. A safety circuit needs two paths in this failure mode ...

Page 8

... SFN4D Wiring for application examples 2.1 and 2.2 For Cautions for Use, see 1st layer 2nd layer Relay Technical Information ds_61408_0000_en_sfn4d: 141106D ...