Optional: Short-circuit recognition, Manual reset with edge detection in fail-safe circuit, Automatic reset functionSuitable for the signal processing of outputs with contact sensorsSuitable for signal processing of outputs connected to potentials (AOPDs), e.g. safety light grids/curtains3 safety contacts, STOP 0;2 safety contacts, STOP 1 (adjustable 1 … 30 s)3 Signalling outputs, 1 Auxiliary contact
| Note (Delivery capacity) | Not available! |
| Product type description | SRB324LT 24V |
| Article number (order number) | 101204855 |
| eCl@ss number, version 12.0 | 27-37-18-19 |
| eCl@ss number, version 11.0 | 27-37-18-19 |
| eCl@ss number, version 9.0 | 27-37-18-19 |
| ETIM number, version 7.0 | EC001449 |
| ETIM number, version 6.0 | EC001449 |
| TÜV cULus |
| Standards | EN IEC 62061 EN ISO 13849-1 EN IEC 60947-5-1 EN IEC 60947-5-3 EN IEC 60947-5-5 EN IEC 61508 EN IEC 60204-1 EN IEC 60947-1 |
| Climatic stress | EN 60068-2-78 |
| Housing material | Glass-fibre reinforced thermoplastic, ventilated |
| Gross weight | 480 g |
| Electronic Fuse | Yes |
| Wire breakage detection | Yes |
| Cross-circuit detection | Yes |
| Removable Terminals | Yes |
| Start input | Yes |
| Feedback circuit | Yes |
| Automatic reset function | Yes |
| Reset edge detection | Yes |
| Earth connection detection | Yes |
| Integral system diagnostics, status | Yes |
| Number of auxiliary contacts | 1 |
| Number of LEDs | 6 |
| Number of normally closed (NC) | 2 |
| Number of undelayed semi-conductor outputs with signaling function | 3 |
| Number of safety contacts | 5 |
| Number of signalling outputs | 3 |
| Safety classification |
| Standards | EN IEC 60947-5-1 EN IEC 61508 |
| Stop-Category | 0 1 |
| Safety classification - Relay outputs |
| Performance Level, stop 0, up to | e |
| Performance Level, stop 1, up to | d |
| Category, Stop 0 | 4 |
| Category, Stop 1 | 3 |
| Diagnostic Coverage (DC) Level, Stop 0 | ≥ 99 % |
| Diagnostic Coverage (DC) Level, Stop 1 | > 60 |
| PFH value, Stop 0 | 2.00 x 10⁻⁸ /h |
| PFH value, Stop 1 | 2.00 x 10⁻⁷ /h |
| Safety Integrity Level (SIL), Stop 0, suitable for applications in | 3 |
| Safety Integrity Level (SIL), Stop 1, suitable for applications in | 2 |
| Mission time | 20 Year(s) |
| Common Cause Failure (CCF), minimum | 65 |
| Mechanical life, minimum | 10,000,000 Operations |
| Mounting | Snaps onto standard DIN rail to EN 60715 |
| Terminal designations | IEC/EN 60947-1 |
| Termination | rigid or flexible Screw terminals M20 x 1.5 |
| Cable section, minimum | 0.25 mm² |
| Cable section, maximum | 2.5 mm² |
| Tightening torque of Clips | 0.6 Nm |
| Width | 45 mm |
| Height | 100 mm |
| Depth | 121 mm |
| Degree of protection of the enclosure | IP40 |
| Degree of protection of the mounting space | IP54 |
| Degree of protection of clips or terminals | IP20 |
| Ambient temperature | -25 ... +60 °C |
| Storage and transport temperature | -40 ... +85 °C |
| Resistance to vibrations | 10 ... 55 Hz, Amplitude 0.35 mm |
| Restistance to shock | 10 g / 11 ms |
| Rated impulse withstand voltage Uimp | 4 kV |
| Overvoltage category | III |
| Degree of pollution | 2 |
| Frequency range | 50 Hz 60 Hz |
| Operating voltage | 24 VAC -15 % / +10 % |
| Ripple voltage | 10 % |
| Rated operating voltage | 24 VAC |
| Rated operating voltage | 24 VDC |
| Rated AC voltage for controls, 50 Hz, minimum | 20.4 VAC |
| Rated control voltage at AC 50 Hz, maximum | 26.4 VAC |
| Rated AC voltage for controls, 60 Hz, minimum | 20.4 VAC |
| Rated control voltage at AC 60 Hz, maximum | 26.4 VAC |
| Rated AC voltage for controls at DC minimum | 20.4 VDC |
| Rated control voltage at DC, maximum | 28.8 VDC |
| Electrical power consumption | 3.2 W |
| Electrical power consumption | 7.1 VA |
| Contact resistance, maximum | 0.1 Ω |
| Note (Contact resistance) | in new state |
| Drop-out delay in case of power failure, typically | 80 ms |
| Drop-out delay in case of emergency, typically | 30 ms |
| Drop-out delay in case of "emergency stop", maximum | 36 ms |
| Pull-in delay at automatic start, maximum, typically | 250 ms |
| Pull-in delay at RESET, typically | 20 ms |
| Material of the contacts, electrical | AgSn0, Ag-Ni, self-cleaning, positive drive |
| Conduction resistance, maximum | 40 Ω |
| EMC rating | EMC-Directive |
| Indicated operating states | Position relay K2 Position relay K1 Internal operating voltage Ui Position relay K3 |
| Note (applications) | Safety sensor Guard system Emergency-Stop button Pull-wire emergency stop switches Safety light curtain |
| Note (General) | Inductive loads (e.g. contactors, relays, etc.) are to be suppressed by means of a suitable circuit. |
| Note (Wiring diagram) | The wiring diagram is shown with guard doors closed and in de-energised condition. Relay outputs: Suitable for 2 channel control, for increase in capacity or number of contacts by means of contactors or relays with positive-guided contacts. The control recognises cross-short, cable break and earth leakages in the monitoring circuit. 2 channel control shown for a guard-door monitor with two contacts, of which at least one contact has positive break, with external reset button (R). (H2) = Feedback circuit |
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