40407G-04: Master Control - Basic

• Provides hands-free intercom, radio transmit & receive functions
• Power on LED
• External fuse (1 amp "Slo-Blo")
• External system master volume adjustment
• Power provisions: 12 or 24VDC direct from locomotive power or via 40114G-02 Power Converter (72VDC to 24VDC)
• Durable cast aluminum, weather resistant enclosure
• Rugged and reliable
• Outer dimensions: 4.8" x 4.72" x 3.14"

40407G-10: Master Control - Enhanced

• Provides hands-free intercom, radio transmit & receive functions
• Power on LED
• Internal fuse (1 amp "Slo-Blo")
• Internal system master volume adjustment
• Power provisions: 12 or 24VDC direct from locomotive power or via 40114G-02 Power Converter (72VDC to 24VDC)
• Accomodates on-board equipment such as:
• Alarms/Alerters
• Proximity detection devices
• Event recorders
• Overspeed indicators
• Durable cast aluminum, weather resistant enclosure
• Rugged and reliable
• Outer dimensions: 8.66" x 4.72" x 3.14"