Siemens 3VA5222-5EC31-0AA0 MCCB 3P 225A 35kA TM230 Frame 250

The Siemens 3VA5222-5EC31-0AA0 is a 3-pole SENTRON 3VA5 moulded case circuit breaker (MCCB) in the UL Frame 250 size, rated In 225 A with a TM230 thermal-magnetic trip unit for line protection (LI). It provides fixed overload protection and adjustable short-circuit protection in power distribution boards, control panels and machine installations, with switching capacity class M: 35 kA at 480 V to UL 489 and 55 kA at 415 V to IEC 60947.

Technical specifications:

• MLFB: 3VA5222-5EC31-0AA0
• Manufacturer: Siemens
• Product brand: SENTRON
• Series: 3VA5, UL Frame 250
• Product type: Moulded case circuit breaker (MCCB), system protection
• Number of poles: 3
• Trip unit: TM230 thermal-magnetic, LI protection function (FTAM)
• Rated current In: 225 A
• Overload protection Ir: 225 A, permanently set
• Short-circuit protection Ii: 5 - 10 x In, adjustable (1,125 - 2,250 A)
• Switching capacity class: M
• Icu and Ics (IEC 60947): 85 kA at 240 V, 55 kA at 415 V, 7 kA at 690 V
• Icm (IEC 60947): 187 kA at 240 V, 121 kA at 415 V, 11.9 kA at 690 V
• Breaking capacity (UL 489): 85 kA at 240 V, 35 kA at 480 V, 18 kA at 600 V
• Rated operating voltage: 690 V AC, 750 V DC
• Rated insulation voltage: 800 V
• Operational current vs ambient temperature: 225 A at 40 °C, 216 A at 50 °C, 206 A at 60 °C, 197 A at 70 °C
• Power loss: 51 W max, 17.07 W per pole at rated current
• Mechanical service life: 20,000 operating cycles
• Electrical endurance: 8,000 cycles at 380/415 V AC-1, 4,000 cycles at 690 V AC-1
• Degree of protection: IP40 on the front
• Ambient temperature: -25 °C to 70 °C (operation), -40 °C to 80 °C (storage)
• Dimensions (H x W x D): 185 x 105 x 83 mm
• Net weight: 1.956 kg
• Main connections: supplied without connection terminals
• Auxiliary contacts: none fitted
• Optional extension: motor operator
• EAN: 4042948853627

Features and benefits:

• Adjustable instantaneous trip from 5 to 10 x In for selectivity with downstream devices
• Dual IEC 60947 and UL 489 ratings for equipment built for both European and North American markets
• Ics equal to Icu (55 kA at 415 V), so full breaking performance is kept after a fault
• Can be fitted with a motor operator for remote switching

Applications:

• Incoming and outgoing feeder protection in low voltage distribution boards
• Line and cable protection in industrial control panels and machinery
• Panels exported to UL markets that need a UL 489 breaker
• Replacement for existing 3VA5 Frame 250 breakers

Rated to IEC 60947 and UL 489. Part of the Siemens SENTRON 3VA moulded case circuit breaker range.

Also known as: Siemens 3VA5 225A 3 pole, SENTRON 3VA MCCB 225 A, 3VA5 Frame 250 TM230, Siemens 3VA5222-5EC31-0AA0 circuit breaker