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  Bosch DS-D7038 Notification Appliance Circuit Power Supply
Bosch DS-D7038 Notification Appliance Circuit Power Supply


Our Price : $400.00

Product Code: DS-D7038


Use the D7038 to add four additional notification appliance circuits (NFPA 72, Class B, Style Y) to a fire alarm control panel (FACP) or as a power supply for fire-protective signaling systems. This regulated power supply provides up to 6 A of power that is used to recharge batteries and operate both continuous and intermittent alarm loads. This 6 A of power can be distributed through the four Class B, Style Y circuits that are part of the D7038. The D7038 is UL Listed for use in commercial fire alarm applications.


Environmental Considerations:
-Temperature (operating): +32F to +120F (0C to +49C)

Inputs (NAC):
-Response Time (input to output): 50 ms maximum
-Voltage (input): 9 VDC to 30 VDC

Mechanical Properties:
-Color: Red
-Dimensions (H x W x D)without door: 20.4 in. x 14.8 in. x 4.1 in. (52 cm x 38 cm x 10.4 cm)
-Material: cold-rolled steel
-Base: 18 gauge (1.2 mm)
-Cover: 19 gauge (1.1 mm)


-Current (output): 850 mA maximum
-Voltage (output): 24.1 VDC or 27.4 VDC

-Output per circuit: 2.5 A maximum
-Output (total): 6 A
-Voltage (output) at +77F (+25C):
-AC operation: 27.4 0.1 VDC DC operation: 24.1 0.6 VDC
-Voltage (standby): -5.0 VDC

Trouble Relay:
-Contact Type: Form C
-Rating (contact): 1.5 A at 32 VDC

Power Requirements:
-Current (total output): 6 A maximum
-Power (primary input): 120 VAC, 2.5 A maximum, 60 Hz
-Voltage (battery): 24 VDC nominal
-Voltage (ripple) 250 mVpp maximum
  • 6 A of power
  • Fully supervised outputs
  • Can be configured for NAC output or constant auxiliary power
  • Regulated 24 V ouput (nominal) with over-current protection
  • Built-in NAC pattern
  • Four Class B, Style Y circuits
  • Form C trouble relay
  • Supervised AC, battery, and circuit expander
  • Ground fault indication
  • Charger control monitor

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