HOWL2

1

IEC Category C2/D1 compliant

Conforming standards

  • IEC 61643-21 compliant
  • RoHS compliant

Features

  • Application up to 10 core wiring
  • LED deterioration display function
  • Replacement recommendation display function
  • Lightning surge count display function
  • DIN rail (35mm) mounting
  • Design registered product

Application

  • Automatic fire alarm equipment
  • Multi line

External view    

Part name    

1

Applications / Characteristics

                 Item                                      Characteristics
SMB-P•R-NM SMB-P•R-NM (H) SMB-P•R-K2 SMB-P•R-H3 SMB-P•R-485
Application Alarm transfer line, sensor line Alarm transfer line, sensor line, high durability type for impluse current Bell + display light Instrumentation line (DC4-20mA etc.) RS485 + Maintainance telephone
Maximum continuous operating voltage (Uc) DC48V DC48V DC110V 27V RS485 Maintainance telephone
DC15V DC48V
Rated current 1A 3A 100mA 1A
Series resistance 1Ω or less 4Ω6Ω  1Ω or less
Impulse current durability  8/20 μs 5kA 10kA 5kA
 10/350 μs 2.5kA
Voltage protection level (Up) 1.2/50µs, 10kV 500V or less 500V or less 1kV or less 150V or less 100V or less 500V or less
Connection core 10 cores 8 cores 2 cores