SICK RLY3 Series
ReLy Safety Relays
SICK ReLy RLY3 safety relays provide OSSD output expansion and evaluation options for safety sensors, potential-free contacts, two-hand controls and Flexi Loop safe series connections. The ten catalogue ordering models include the TIME1 variant with two instantaneous safety paths and one release-delayed path, and the MULT1 variant configurable via DIP switches. Housing width, supply method, contacts and response characteristics vary by model. Compare the complete ordering code and consult its operating instructions; catalogue safety ratings do not by themselves establish the safety performance of a complete machine.

Series Documents
Models
10 matching models · Showing 10
| Model | Application | Safety Contact Configuration | Nominal Housing Width | Power Supply Type | Model details |
|---|---|---|---|---|---|
| RLY3-OSSD100 | OSSD output expansion module | 2 instantaneous N/O | 18 mm | Passive (no active voltage supply) | View Model → |
| RLY3-OSSD400 | OSSD output expansion module | 4 instantaneous N/O | 28 mm | Passive (no active voltage supply) | View Model → |
| RLY3-OSSD200 | Evaluation unit | 2 instantaneous N/O | 18 mm | PELV or SELV | View Model → |
| RLY3-OSSD300 | Evaluation unit | 3 instantaneous N/O | 18 mm | PELV or SELV | View Model → |
| RLY3-TIME100 | Stop category 1 evaluation unit | 2 instantaneous N/O + 1 release-delayed N/O | 18 mm | PELV or SELV | View Model → |
| RLY3-EMSS100 | Evaluation unit | 2 instantaneous N/O | 18 mm | PELV or SELV | View Model → |
| RLY3-EMSS300 | Evaluation unit | 3 instantaneous N/O | 18 mm | PELV or SELV | View Model → |
| RLY3-HAND100 | Evaluation unit | 2 instantaneous N/O | 18 mm | PELV or SELV | View Model → |
| RLY3-LOOP100 | Evaluation unit | 3 instantaneous N/O | 18 mm | PELV or SELV | View Model → |
| RLY3-MULT100 | Evaluation unit | 3 instantaneous N/O | 18 mm | PELV or SELV | View Model → |
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