Siemens 3VA1 250A 3P 36KA 3VA12254EF320AA0 Moulded case circuit breaker 3VA12

The new 3VA moulded case circuit breakers guarantee high selectivity, extremely compact dimensions and high breaking capacities. The different dimensional sizes up to 1000 A and more than 500 accessory components allow to satisfy all possible configurations of any application.

Features:

• Siemens Series
• Rated insulation voltage 800 V
• Rated DC operating voltage 500 V
• Breaking capacity 36 kA
• Rated permanent current Iu 250A
• 3 poles
• Power loss at nominal current value with AC in warm operating state per pole 19 W
• Max power dissipation 57 W
• Mechanical service life (switching cycles) typ 20,000
• Height 158 mm
• Width 105 mm
• Depth 70 mm
• Net weight 1,612 kg
• Degree of protection on front side IP40
• Type of conductor cross-sections that can be connected for flat busbar connection / min 12 x 1 mm
• Type of conductor cross-sections that can be connected for flat busbar connection / max 17 x 6.5 mm
• Degree of protection front side IP40

Ambient temperature

• During operation / min -25 °C
• During operation / max. 70 °C
• During storage / min -40 °C
• During storage / max. 80 °C