BOSCH NEV 300 LSN power supply

Özgür Sistem
BOSCH NEV 300 LSN

BOSCH NEV 300 LSN power supply

  • Can be connected to all LSN control panels (centralized or decentralized)
  • A maximum of two 12 V/18 Ah batteries can be used
  • Monitoring of line and battery voltage
  • Tamper protection (tamper contact)
  • 3 freely configurable open collector outputs
  • Slot for optional voltage converter (to 28 V)
  • VdS class C
  • DIN EN 50131-1, DIN EN 50131-6

Transformers  
Protection class I (DIN VDE 0106 Part 1)
Line voltage 230 V (+10% to -15%)
Line frequency 50 Hz
LSN technology  
Supply voltage +15 V to +31 V
Current consumption max. 3.85 mA
Control unit  
Battery charge voltage From 0 °C to 50 °C according to the battery charge discharge characteristics (factory setting: 13.8 V at 20 °C)
Battery charge Bk/20 at 36 Ah = 1.8 A
Battery capacity 12 V/2 x 18 Ah
Power output Corresponds to battery charge voltage
Output current (battery charge current + user current) Max. 4.0 A
Current available on connector board  
+U/0 V and external users max. 2.3 A


With bridging time of 60 hrs < 600 mA
With bridging time of 30 hrs < 1.2 A
Current available at 28 V from connector board (+U/0 V and ext. users) 500 mA in total
Protection for control  
Protection for control > 16 V
Surge suppression > 5.5 A
Monitoring  
Network fault < 130 V
Battery malfunction (discharge battery) ≤ 10.5 V
Total battery discharge protector (TES) < 10 V
Switch outputs (C points)  
Principle Open collector (short-circuit resistant)
Max. voltage 10 V to 30 V
Maximum current 300 mA
Voltage converter 28 V (optional)


Load current Max. 500 mA in total
Load current in the event of power failure with a bridging time of 72 hours 200 mA in total when two 12 V/18 Ah batteries are available
Electromagnetic compatibility (EMC)  
Interference immunity DIN EN 50130-4
Interference emissions DIN EN 50081-1
Environmental conditions  
ambient temp. (in operation) - 5° C to + 45° C
Storage and transport temperature - 25° C to + 70° C
Environmental class II (VdS 2110)
Housing protection type IP 30
Humidity + 40 °C, 93% rel. humidity
Enclosure  
Dimensions (H x W x D) 460 x 380 x 97 mm
Color Light gray / RAL 7035
Weight (without batteries/with batteries) 2 kg/15 kg

Firma Profili

Özgür Sistem Yangın Güvenlik ve Bilişim Teknolojileri Ticaret Limited Şirketi; güvenlik otomasyon ve bilişim sistemleri konularındaki bilgi ve birikimini müşterilerine sunmak amacıyla 2002 yılında İstanbul’da kurulmuştur.

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