Business > Industrial Devices > Automation Controls Top > Components & Devices > Relays / Couplers > Safety Relays > SF-Y Relays > Rating/Performance

SF-Y Relays

Lineup
- SF Relays Flat type Safety relay compliant with Safety standards
- SF Relays Slim type Slim type Safety relay compliant with Safety standards
- SF Relays Double contact type Flat type (double contact) Safety relay compliant with Safety standards
- SF-M Relays Flat type safety relays (1 Form A 1 Form B)
- SF-Y Relays Compact Flat type Safety relay compliant with European safety standards
CAD data　 Catalogs/Datasheets　　
FAQ

Click here for information on compliance with standards

Basic Information

Part Number

Rating/Performance

Dimensions

Coil data

Contact arrangement		Rated coil voltage	Operate voltage * (at 20°C)	Release voltage * (at 20°C)	Rated operating current (±10%, at 20°C)	Coil resistance (±10%, at 20°C)	Rated operating power	Max. allowable voltage (at 60°C)
4 poles	2 Form A 2 Form B	5 V DC	Max. 75% V of rated coil voltage (Initial)	Min. 15% V of rated coil voltage (Initial)	134 mA	38 Ω	670 mW	120% V of rated coil voltage
		12 V DC			56 mA	215 Ω
		16 V DC			42 mA	380 Ω
		18 V DC			37 mA	483 Ω
		21 V DC			32 mA	666 Ω
		24 V DC			28 mA	864 Ω
	3 Form A 1 Form B	5 V DC			134 mA	38 Ω
		12 V DC			56 mA	215 Ω
		16 V DC			42 mA	380 Ω
		18 V DC			37 mA	483 Ω
		21 V DC			32 mA	666 Ω
		24 V DC			28 mA	864 Ω
6 poles	4 Form A 2 Form B	5 V DC			134 mA	38 Ω
		12 V DC			56 mA	215 Ω
		16 V DC			42 mA	380 Ω
		18 V DC			37 mA	483 Ω
		21 V DC			32 mA	666 Ω
		24 V DC			28 mA	864 Ω
	5 Form A 1 Form B	5 V DC			134 mA	38 Ω
		12 V DC			56 mA	215 Ω
		16 V DC			42 mA	380 Ω
		18 V DC			37 mA	483 Ω
		21 V DC			32 mA	666 Ω
		24 V DC			28 mA	864 Ω

Return to top

Specifications

Item		Specifications
Item		4 poles		6 poles
Contact data	Contact arrangement	2 Form A 2 Form B	3 Form A 1 Form B	4 Form A 2 Form B	5 Form A 1 Form B
	Contact resistance (initial)	Max. 100 mΩ (by voltage drop 6 V DC 1 A)
	Contact material	Au-flashed AgNi type
	Contact rating (resistive)	6 A 250 V AC, 6 A 30 V DC
	Max. switching power (resistive)	1,500 VA, 180 W
	Max. switching voltage	250 V AC, 30 V DC
	Max. switching current	6 A
	Min. switching load (reference value) *1	10 mA 10 V DC
Insulation resistance (initial)		Min. 1,000 MΩ (at 500 V DC, Measured portion is the same as the case of dielectric strength.)
Dielectric strength (initial)	Between open contacts	1,500 Vrms for 1 min (detection current: 10 mA)
	Between contact sets	4,000 Vrms for 1 min (detection current: 10 mA)
	Between contact and coil	N.C. 3 side: 2,500 Vrms for 1 min (detection current: 10 mA) N.O. 4 side: 4,000 Vrms for 1 min (detection current: 10 mA)
Coil holding voltage (initial) *4		Min. 60% V (at 20°C)
Time characteristics (initial)	Operate time	Max. 20 ms at rated coil voltage (at 20°C, without bounce)
Time characteristics (initial)	Release time	Max. 10 ms at rated coil voltage (at 20°C, without bounce, without diode)
Shock resistance	Functional	200 m/s² (half-sine shock pulse: 11 ms, detection time: 10 µs)
Shock resistance	Destructive	1,000 m/s² (half-sine shock pulse: 6 ms)
Vibration resistance	Functional	10 to 55 Hz at double amplitude of 1.5 mm (detection time: 10 µs)
Vibration resistance	Destructive	10 to 55 Hz at double amplitude of 1.5 mm
Expected life	Mechanical life	Min. 10 x 10⁶ (switching frequency 180 times/min.)
Protective construction		RT III *3
Conditions	Conditions for usage, transport and storage *2	Ambient temperature: -40 to +70°C Humidity: 5 to 85% RH (Avoid icing and condensation)
Unit weight		Approx. 19 g		Approx. 23 g

*1	This value is a rough indication of the lower limit at which switching is possible at micro load level. This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the actual load.
*2	For ambient temperature, please refer to the "GUIDELINES FOR RELAY USAGE".
*3	According to "EN 61810-1:2010, table 2". Characteristic is sealed construction with terminals, case and base sealed shut with sealing resin. Construction is designed to prevent seeping of flux when soldering and cleaning fluid when cleaning. Harmful substances on the contacts are removed by gas purging before sealing with.
*4	Coil holding voltage is the coil voltage after 100 ms from the applied rated coil voltage.

Return to top

Electrical life

Conditions: Resistive load, switching frequency 20 times/min

Type	Switching capacity	Number of operations
2 Form A 2 Form B, 3 Form A 1 Form B, 4 Form A 2 Form B, 5 Form A 1 Form B	6 A 250 V AC	Min. 100 x 10³
	6 A 30 V DC	Min. 100 x 10³

Return to top

Insulation performance

2 Form A 2 Form B	3 Form A 1 Form B	4 Form A 2 Form B	5 Form A 1 Form B

	＝	Reinforced insulation: overvoltage category III, pollution degree 2, 250 V AC (Clearance and creepage distance is 5.5 mm or more between contact sets shown by "". Also, there is 5.5 mm or more clearance and creepage distance even between contact N.O. 4 and coil.)
	＝	Basic insulation: overvoltage category III, pollution degree 3, 250 V AC (Between contact N.C. 3 and coil shown by "", the clearance is 3 mm or more and the creepage distance is 4 mm or more.)