Valcom VP-1124D, 1 amp Switching Power Supply: 24Vdc, filtered "A" talk battery power supply with 1 Amp outputs and output over-voltage protection.    
      1 Amp Power Supply Features:
          - 24 Volt DC "A" battery power supply  
- 1 Amp output  
- Regulated and filtered  
- Floating output  
- Input fuse protection  
- Over-voltage protection  
- AC cord included 
(VP-1124 IS DISCONTINUED AND REPLACED BY VP-1124D)