Siemens 3VA2450-5MN32-0AA0 MCCB 3P 500A 55kA ETU350M LSI Frame 630

The Siemens 3VA2450-5MN32-0AA0 is a SENTRON 3VA2 molded case circuit breaker to IEC in frame 630, 3-pole, rated 500 A with breaking capacity class M (Icu 55 kA at 415 V). Its ETU350M electronic trip unit is designed for motor protection with LSI functions and phase failure detection. The main circuit is connected at the front with screw flat terminals.

Technical specifications:

• Article number: 3VA2450-5MN32-0AA0
• Product line: SENTRON 3VA2, IEC, frame 630 (max. 630 A)
• Number of poles: 3
• Rated current In / Iu: 500 A
• Trip unit: ETU350M motor protection, LSI
• Overload protection Ir: 200 to 500 A
• Short-time protection Isd: 3 to 15 x Ir (1500 to 7500 A)
• Instantaneous protection Ii: 15 x In (7500 A)
• Phase failure detection: yes; earth fault protection: no
• Rated insulation voltage Ui: 800 V
• Max. rated operational voltage Ue: 690 V AC 50/60 Hz
• Icu / Ics: 85 kA at 240 V, 55 kA at 415 V and 440 V, 36 kA at 500 V, 9 kA at 690 V
• Making capacity Icm: 187 kA at 240 V, 121 kA at 415 V
• Operating current: 500 A at 40 to 50 C, 480 A at 70 C
• Power loss at rated current: 99 W per device
• Mechanical endurance: 15,000 operations; electrical endurance AC-1 at 415 V: 4,000, AC-3: 2,500
• Connection: front, screw flat terminal, busbar 20 x 1 mm to 35 x 10 mm
• Dimensions (H x W x D): 248 x 138 x 110 mm
• Degree of protection: IP40 front
• Operating temperature: -25 to +70 C; storage -40 to +80 C
• Motor operator: available as option

Also known as: Siemens 3VA2450-5MN32-0AA0, 3VA24505MN320AA0, SENTRON 3VA2 500 A motor protection breaker.