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This switch ensures safe furnace startup by monitoring negative pressure conditions in the combustion system
Inrush Current 40 Amps peak-to-peak for 120 ms at 240 V AC Input rating 130 VA Output rating 58W Power Supply Hold up time 20milliseconds @ 115V AC
3-phase Frequency 50/60 Hz Current Rating 20 A Phases 3 Short-Circuit Reaction Automatic restart or stored shutdown (selectable) Mounting Style DIN rail Operating Temperature 0 to +60 °C Status Indicators Three LED indicators Parallel Use Supported (load sharing) Add-On Module Support Buffer
With LED indicators for power
6ES7231-5QD32-0XB0 | Siemens S7-1200 SM1231 4-Channel Thermocouple/mV Analog Input Module Interface Panel This switch ensures safe furnaceDescription The Siemens 6ES7231 5QD32 0XB0 is a SIMATIC S7 1200 SM1231 analog input module engineered for thermocouple and millivolt signal measurement. Designed with four analog input channels and a 80 mV input range, it supports precise data acquisition across various temperature sensing applications. With its 15 bit resolution and 24 VDC operation, the module provides reliable performance for demanding industrial automation environments. Technical
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