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SFT Series - Safety Relay Terminal Blocks
SFT Series Safety Relay Terminal Blocks
The SFT series safety relay terminal blocks allow safer control system operation with redundant circuits and signal feedback. The relay terminal blocks utilize force guided contacts to prevent contact welding and the compact size allows space-saving installation.
Main features
- Relays with force guided contacts for safe control system (IEC 61810-3)
- For driving various loads using PLC output signals
- Redundant circuits and signal feedback for safety
- Available in 4-pole and 6-pole models
- Compact, space-saving size
- Available in screw type and screwless type models
- Operation indicator (green LED) for easy status monitoring
- DIN rail mount and screw mount installation (varies by models)
Force Guided Contacts
Slim Type
Screw Type
Screwless Type
Operation Indicator
Screw Mount
DIN Rail Mount
Model
Screw type
| Connector (Controller Side) |
Rated Load Current | Safety Relay Number of Pole | Safety Relay Type | Contact Configuration | Mounting Method | Model |
|---|---|---|---|---|---|---|
| Screw | 6A | 4 | SFS2-DC24V (Panasonic) | 2a2b | Din Rail/ Screw Mount | SFTS-4P-24V-2A2B |
| Screw | 6A | 4 | SFS3-DC24V (Panasonic) | 3a1b | Din Rail/ Screw Mount | SFTS-4P-24V-3A1B |
| Screw | 6A | 6 | SFS4-DC24V (Panasonic) | 4a2b | Din Rail/ Screw Mount | SFTS-6P-24V-4A2B |
| Screw | 6A | 6 | SFS5-DC24V (Panasonic) | 5a1b | Din Rail/ Screw Mount | SFTS-6P-24V-5A1B |
| Screw | 6A | 6 | SFS6-DC24V (Panasonic) | 3a3b | Din Rail/ Screw Mount | SFTS-6P-24V-3A3B |
Screwless type
| Connector (Controller Side) |
Rated Load Current | Safety Relay Number of Pole | Safety Relay Type | Contact Configuration | Mounting Method | Model |
|---|---|---|---|---|---|---|
| Screwless | 6A | 4 | SFS2-DC24V (Panasonic) | 2a2b | DIN Rail | SFTL-4P-24V-2A2B |
| Screwless | 6A | 4 | SFS3-DC24V (Panasonic) | 3a1b | DIN Rail | SFTL-4P-24V-3A1B |
| Screwless | 6A | 6 | SFS4-DC24V (Panasonic) | 4a2b | DIN Rail | SFTL-6P-24V-4A2B |
| Screwless | 6A | 6 | SFS5-DC24V (Panasonic) | 5a1b | DIN Rail | SFTL-6P-24V-5A1B |
| Screwless | 6A | 6 | SFS6-DC24V (Panasonic) | 3a3b | DIN Rail | SFTL-6P-24V-3A3B |
-
System Configuration
Safety relay terminal blocks can be used to control various loads with input signals from safety light curtains and switches. It can also be used for feedback signals to offer safer control systems.
-
Force Guided Contacts and Feedback Signals
SFT series utilize relays with force guided contacts to prevent contact welding, in accordance with IEC 61810-3. The status of output contacts can be sent with feedback signals to safety controllers or other devices, allowing safer operation of control systems.
PLC Connector, Terminal Block Connector, Model, Appearance Category Safety Relay Standard Relay Standard Operation 
Contact Welding 
Force guided contact
Prevent contacts closing at the same time Contacts closed at the same time
Screw Type, Screwless Type Models Available
The SFT series is available in screw type and screwless type wiring models. The screwless push-in type connection provides easy wiring, reduced installation time, and even tightening.
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