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LV28

ACOUSTIC TRUMPETS “TN SERIES”

The trumpets of the “TN” series, made of impact-resistant thermoplastic material, are suitable for any type of application, in fact they can be used for internal fittings or with the IP65 version for external fittings.

download the technical specifications

ASB 240W Single Phase ("ASB Series" switching power supply)

  • Input voltage: 93 ÷ 132 Vac. 187 ÷ 264 Vac. 
  • Input current: 3.5A at 115V, 1.7A at 230V. 
  • Input Frequency: 50/60Hz 
  • Efficiency: 89% typ.
  • Switching operating frequency: 50KHz typ. 
  • Inlet protections: Peak current limitation <55A. RFI filter. Fuses.
  • Leakage current to ground: 1mA max at 50Hz. 
  • Refer to PDF for: Output voltage and current. Ripple and noise.
  • Output protections: Short-circuit protection with aut restart. Overcurrent protection. Overvoltage protection. 
  • Holding time (hold up): 20msec. minimum. 
  • Output power: 240W (see table). 
  • Operating temperature: 0°C / +60°C. 
  • Storage temperature: -25°C / +85°C. 
  • Thermal drift: 0.01%/°C typ. 
  • Stability over time: Better than 1% after 24 hours typical. 
  • Cooling: Natural convention. 
  • Control and adjustment: Volt adjustment trimmer. 
  • Operation indicators: green output LED OK. 
  • Dielectric strength test: Input/Output: 3750Vac (on insulation components). Input/Mass (P.E.): 1750Vac. 
  • Insulation: Output/Mass (P.E.): 500Vdc. 
  • Conforms to standards: EN 55011 class B., EN 55022 class B., EN 50081-1., EN 50082-2. CE. 
  • Weight: 1000g. 
  • Optional functions: Mounting on DIN bar. Relay contact for power supply failure. Fixing bracket. Redundancy decoupling diode. Alarm relay for out of service.

Delivery Terms

The expected times for the processing of the purchase order are indicated on our Order Confirmation. In case of urgent needs, please contact our sales office at phone number 0373/920659.

Returns

Goods are returned at our warehouse. At the customer's request, our company offers a “Delivered Duty Paid charged to invoice” service using a courier agreed upon with us. For more information regarding returns, please consult our General Conditions of Supply.

Warranty

RTE guarantees, during the warranty period, to repair or replace free of charge those parts that, due to poor quality of material or workmanship prove to be defective, but only if these have been used in accordance with the instructions in the “Instruction, Use and Maintenance Manuals”, excluding any other damage and liability for direct or indirect damages resulting from improper use.

For more information regarding delivery terms, returns, and warranty, please consult our general conditions of supply.

Related products

For over 60 years, RTE has been producing and marketing alarm announcers for a wide range of industries.

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