BOSCH DS7457I SF 17/12 The unit delivers regulated and

The unit delivers regulated and filtered 24-volt power to Class B or Class A NAC loop circuits

It is an electronic detection system used to measure the concentration of various gases and provide feedback and automatic control to help reduce gas concentrations in parking garages

programmable sounder base

SSD HEAT SENSOR

Broad ranges for operating temperature (-4°F - 158°F

BOSCH DS7457I SF 17/12 The unit delivers regulated andThe DS7457i Series Single zone Input Modules includes the DS7457i, the DS7457i CHI, and the DS7457iF. Each model has a supervised input zone for connecting normally open (NO) or normally closed (NC) contacts. The DS7457i Series supervises the contacts using 47 k? end of line(EOL) resistors. Each model operates with compatible multiplex expansion modules and occupies one multiplex zone address on the system. The DS7457i and the DS7457i CHI are designed