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Ningbo Ambest Electronics Co., Ltd.

Alarm Bell, Fire Alarm Bell, Security Alarm manufacturer / supplier in China, offering Conventional Alarm Bell (440), State of The Art Fire Alarm Control System, 1 Loop (6001-01), Big Infrastructure Fire Project Fire Alarm Control System, 2 Loop (6001-02) and so on.

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Supplier Homepage Product Non-addressable Accessories Conventional Alarm Bell (440)

Conventional Alarm Bell (440)

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Port: Ningbo, China
Production Capacity: 200000PCS Per Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal

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conventional fire alarm system
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Basic Info
  • Model NO.: 440
  • Signal Transmission: Wired Alarm
  • Certification: CE, ISO
  • Sensor Type: Electric Alarm
  • Usage: Fire, Smoke
  • Alarm Current: 25mA
  • Operating Humidity: (0~95)%Rh,Non-Condensing
  • Trademark: Numens
  • Specification: dia152*35mm
  • HS Code: 853110000
  • Type: Smoke Alarm
  • Working Mode: Active
  • Application: Indoor
  • Working Principle: Electro-Optical Type
  • Operating Voltage: DC(20~28)V
  • Operating Temperature: (0~+65)Centigrade Degree
  • Sound Output Level: >95db@1m
  • Transport Package: 60PCS/CTN
  • Origin: Ningbo, China
Product Description
440 non-addressable alarm bells are suitable for connection to 2-wire and 4-wire fire detection and alarm systems. 440 alarm bells will operate with both addressable and non-addressable fire detection control and indicating equipment.
Activation is initiated upon connection of the operating voltage, allowing connection to either a switched supply or via an addressable module. 


·    Operates when the supply voltage is connected to the device
·    Compatible with relay outputs from control and indicating equipment, or from an output module connected to addressable alarm circuit wiring
·    DC 24 V operation
·    Loud sound output of 95 dB at 1 m
·    Zero current load in quiescent condition

operating voltageDC(20~28)V
quiescent current0A
alarm current25mA
sounder output level≥95dB@1m

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Conventional Alarm Bell (440)
Conventional Alarm Bell (440)
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