Alarm Unit SR336 INOR; Alarm Unit with RTD Input and Double Relay Outputs; RTD sensor or resistance: Pt, Ni, Cu, KTY and further RTDs and resistance; SPDT relays with up to 6 A switch capacity
| Input | |
| RTD sensor or resistance | Pt, Ni, Cu, KTY and further RTDs and resistance |
| Input ranges | 0 … 300 Ω / 0 … 3 kΩ (switchable) |
| Sensor connection | 2-wire sensor connection, manual compensation of line resistances required |
| Output, Relay 1 & 2 | |
| Relay contacts | Two isolated 1-pole relays (SPDT), with synchronous switching and functions |
| Contact rating | 250 VAC / 6 A, 1500 VA | 250 VDC / 0.2 A, 115 VDC / 0.3 A, 30 VDC / 6 A |
| Relay function | Monostable, Open/Closed-Circuit Operation (switch selectable) |
| Alarm function | High/Low alarm (switch selectable) |
| Adjustable alarm set-point | 0 … 110 % of input range (with 12-turn potentiometer) |
| Adjustable hysteresis | 0 to 6 % or 0 to 60 % of input range (switchable, adjustable with potentiometer) |
| Status indication | Yellow LED |
| Operation temperature | -20 °C to + 60 °C (-4 to +140 °F) |
| Input / power supply / relay outputs | Test Voltage: 4 kV AC, 50 Hz, 1 min. Working voltage: 1 kV AC/DC for OVC II, 600 V AC/DC for OVC III acc. to DIN EN 61010 |
| Relay 1 / Relay 2 | Test Voltage: 3 kV AC, 50 Hz, 1 min. | Working Voltage: 300 V AC/DC |
| Power Supply | 24 V DC, ± 15 %, approx. 0.7 W |
| Typical accuracy | Trip point: < 0.2 % full scale |
| Mounting | 35 mm DIN rail acc. to EN 60715 |


