SR335 alarm unit with Pt100 input and INOR double relay output
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- accuracy:cut-off point: ±0.2 % of range
- contact power: 250 VAC/DC, 6 A, 1 500 VA
- operating temperature range: -20 °C … +60 °C
- relay contacts: 1-pole switching contact (SPDT)
- alarm functions, relay 1: high/low level alarm (switch selectable)
- Alarm functions, relay 2: high/low level alarm or power failure alarm (switch selectable)
Description
The SR335 INOR alarm unit, with Pt100 input and dual relay output, is designed for industrial temperature monitoring with Pt100 sensors in 2- or 3-wire connection.
Two output relays with individually adjustable trip functions are available. LEDs on the front indicate alarm status and correct power supply.
Technical specifications SR335
- DIN-rail mounting
- SPDT relays with 6 A switch
- Protective isolation according to EN 50178
- Universal 24 V AC and DC power supply
- input from Pt100 sensors in 2- or 3-wire connection
- high configuration flexibility with DIP switches
- selectable, pre-calibrated temperature ranges
- two relay outputs with independent switch functions
- 4 kV isolation between input, output and power supply
- travel and hysteresis levels are adjustable from the front
- three front LEDs for power-off and power monitoring
- monostable relays for safe actuation in the event of a power failure
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