Technical Specifications

B520

• Provides 2 A or 12 V emergency power for fire and burglar applications (4 A burglar alarm current)
• Number of batteries: 2 x 12 V 7-18 Ah each (maximum capacity = 36 Ah)
• Emergency power: up to 80 hours
• Simplified addressing via switch
• Uses standard Bosch TR1850 plug-in transformer
• Dimensions: 4.5 x 6.94 x 1.15 in. (11.43 x 17.62 x 2.9 cm)
• Operating temperature: +32°F to +120°F (0 to 49°C)
• Current: 
  • Input: 18 Vac, 50 VA
  • Output: 2 – 4 A
• Voltage: 11.5 – 12.2 Vdc

TR1850-CA

• For Canada
• Current: 
  • Input: 120 VAC
  • Output: 18 VAC, 50 VA
• Power frequency: 60 Hz

B10

• Weight: 6.7 lb. (3 kg)
• Dimensions: 14.5 in x 12.5 in x 3.5 in (37 cm x 32 cm x 8.9 cm)
• Color: white
• Material: 1.0 mm cold-rolled steel (20 gauge)