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SF Relay, Slim Type

SF Relay, Slim Type

A slim-type safety relay compatible with safety standards.
[Features]
· Forcibly guided contact mechanism.
· Slim shape: length: 40 / 50 × width: 13 × height: 24 mm.
· Fast response time (8 ms or less).
· Assortment of LED operation indicator lights and built-in diode types available.
· Sockets and terminal blocks (supports Y-types and round-types) are available.
[Applications]
· Machine tools.
· Robots.

PDF

Japanese Only

SF Relay, Slim Type Specification

SF Relay, Slim Type Exterior

SF Relay, Slim Type Exterior

Force-Guided Contact Mechanism
(EN50205 Class A TUV certified)
Force-guided contact mechanism detects contact welding and enables construction of safety circuits.
  • Includes mechanism so that a-contacts and b-contacts cannot close at the same time.
  • Structure maintains contact separation of at least 0.5 mm.

Practical Example (3a1b Type)

De-energized (normal state)

De-energized (normal state)

Energized (normal state)

Energized (normal state)

De-energized (abnormal state)

De-energized (abnormal state)

Energized (abnormal state)

Energized (abnormal state)

Force-guided contact mechanism explanatory diagram

Force-guided contact mechanism explanatory diagram

Gap With Other Contact When Contact Welded

  • *Below, if a-contacts are welded, then De-energized is shown; if b-contacts are welded and the nominal voltage is applied, then Energized is shown for the contact state.
&nbspState Of Other Contacts
3-4 (B-Contact)5-6 (A-Contact)7-8 (A-Contact)9-10 (A-Contact)
Welded Contact Terminal No.3-4 (b-contact)->0.5>0.5>0.5
5-6 (a-contact)>0.5-  
7-8 (a-contact)>0.5 - 
9-10 (a-contact)>0.5  -

>0.5: Contact gap is 0.5 mm or more
Empty field: contact is in either ON or OFF state

  • *Contact gap shows initial state. Checks for the actual ON/OFF load are needed, in case movement of the contacts occurs due to opening/closing of the load.
Standard type internal schematic diagram

Standard type internal schematic diagram

Slim type
As the main relay body is small and slim, the plan for the circuit board can be made smaller.
  • 4 Poles Type: Length: 40 × Width 13 × Height 24 mm
  • 6 Poles Type: Length: 50 × Width 13 × Height 24 mm
Product range available with LED indicator included / built-in internal diode type
Built-in LED eliminates need for design and implementation of separate LED circuit, reducing costs and labor.
Delivers high-speed response time (8 ms or less)
The load can be stopped immediately, maintaining safety.
High shock resistance (functional shock resistance: 200 m/s2 or more)
Due to the increased shock resistance, can be used with confidence in an environment where there is vibration or shock caused by machine tools or equipment.

PC board mount socket available (4 poles / 6 poles).

Finger-safe DIN rail mount terminal sockets also available (Y type terminal, round terminal compatible) (for 4 poles / 6 poles).

 

SF Relay, Slim Type Applications

  • Machine tools
  • Robots
  • Safety PLCs
  • Circuits that are required to comply with particular safety standards such as those for motor vehicle production equipment
Part Number
SFS2-DC24V
SFS2-L-DC24V-D
SFS3-L-DC24V
SFS3-L-DC24V-D
SFS4-DC24V
SFS4-L-DC24V-D
SFS5-L-DC24V-D
SFS6-L-DC24V-D
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipContact Configuration LED display Built-in diode Panasonic order number

SGD 39.43

1 Piece(s) 4 Day(s) or more [Other] 2a2bNANAG1S022

SGD 42.28

1 Piece(s) 4 Day(s) or more [Other] 2a2bYAvailableAG1S322

SGD 22.30

1 Piece(s) 4 Day(s) or more [Other] 3a1bYNAG1S132

SGD 42.28

1 Piece(s) 4 Day(s) or more [Other] 3a1bYAvailableAG1S332

SGD 41.12

1 Piece(s) 4 Day(s) or more [Other] 4a2bNANAG1S042

SGD 43.99

1 Piece(s) 4 Day(s) or more [Other] 4a2bYAvailableAG1S342

SGD 27.53

1 Piece(s) 4 Day(s) or more [Other] 5a1bYAvailableAG1S352

SGD 39.07

1 Piece(s) 8 Day(s) or more [Other] 3a3bYAvailableAG1S362

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Basic Information

Application Other Latch function NA Terminal shape For Circuit Boards
Representative Standard UL / CUL / TUV Contact material Gold flash on AgSnO2

Tech Support

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