138W & 440W Switch Mode, DC to DC Battery Voltage Converters

Robust switch mode battery voltage DC to DC converters for use when operating 12Vdc or 24Vdc equipment (communications, alarms, lighting, etc.) from either a 12V or 24V battery system (coaches, HGV and agricultural vehicles utilise 24Vdc).

Wide input voltage range
Ignition or remote on/off control
Inbuilt RFI filter for low noise
High efficiency (86% typical)
High output surge rating
Overvoltage/Overcurrent protection
12V or 24V lead acid battery charging
Rugged metal case construction
Supplied with user guide and safety leaflet

注

The SM2430 is suitable for negative earth systems only but the SM3702 and SM3703 may be isolated for marine use.

注意

The user is responsible for ensuring the suitability of any equipment connected to these vehicle power adaptors. For in vehicle use only. Protect from moisture.