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)
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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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