A rugged, solid state device which allows a single speed input to drive separate electronic, instruments without crosstalk or interference. Impact and water resistant, this product is designed to stand up to the tough railroad environment. Compatible with all standard axle alternators, our amplifier removes speed signal distortion and reduces axle alternator loading.
Options include programmable signal inputs for compatibility with traction motor sensors, and a self test feature to provide a test signal for speed verification of external devices.

At Bach-Simpson, we offer state-of-the-art products combined with dependable customer service and customized engineering support. Remember, when you buy Bach-Simpson, you buy experience, quality and dependability.

Electrical Specifications

Power Input:
• +74 VDC nominal at 0.35 amp
• 50 to 90 volts sustained performance range
• Reverse polarity and transient protected
• Case Electrically Isolated from supply
• 32 volt models available.

Speed Signal Input:
• 200 mV sensitivity.
• Impedance greater than 10 Kohms.
• Power input isolated from signal input

Enclosure:
• NEMA 4

Temperature Range:
• Operating: -30°C to 50°C
• Storage: -55°C to 60°C

External Connectors:
• Conforms to MIL-C-5015

Functional Specifications

Output:
• 4 to 8 outputs available
• 5 volt square wave
• Impedance 1 K ohm
• 60 dB channel isolation

Optional Features:
• Built-in test signal
• External hand held tester
• Programmable signal input for traction motor speed sensors