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The SR7D basic relay is a universally applicable safety switchgear that can be used to quickly and safely shut down the moving parts of a machine or system in the event of a hazard. In addition to the function as a coupling relay, areas of application are the one- or two-channel emergency stop circuit and the protective grid monitoring on machines and systems.
SK3D is a universally applicable, safe coupling relay with three safe relay outputs, with which circuits can be safely interrupted in the event of danger.
The SK3D couples safe signals from e.g. clocked controllers to the periphery for galvanic isolation and power adjustment.
Can also be used as an extension module for the base modules of the safety relays, the SCB safe timer or the TALOS safe controller.
| Type | safety contacts/outputs (closer) | Auxiliary contacts/outputs (NC contacts) | 1 / 2-channel wiring | Width in mm |
| SR7D | 7 | 6 | 1/2 | 45 |
| SK3D | 3 | 1 | 1/2 | 22.5 |
Additional information on the product Safe coupling relays SR7D / SR3D
Supplier: Hermann ZANDER GmbH & Co. KG
Scope of delivery: see standard equipment. Please inquire about optional or other equipment.