Siemens circuit breaker 3VA1 IEC Frame 160 breaking capacity class M Icu=55 kA @ 415v 3-pole, line protection TM240, ATAM, In=160 A overload protection Ir=112 A…160,A short-circuit protection Ii=5…10 x In nut keeper kit.
Technical Specifications:
Type: Molded Case Circuit Breaker (MCCB)
Frame: 3VA11 IEC series
Rated Current (In): 160 A
Poles: 3 (3P)
Rated Operational Voltage: 690 V AC (main circuit), 250 V DC (auxiliary circuits)
Breaking Capacity (Icu): 55 kA at 415 V AC, Class M
Trip Unit: TM240 thermal-magnetic with adjustable settings for Ir (overload) and Ii (short-circuit), supporting precise protection and line adaptation.
Connection Method: Screw terminals with lug/nut keeper system
Dimensions (W x H x D): approximately 3” x 5.1” x 3.5”
Mounting: Fixed installation.
Features :
1.Compact and space-saving design suitable for low-voltage power distribution
2.Extensive internal accessory options (auxiliary/alarm switches, shunt trips) compatible across the 3VA series
3.Electromechanical and optionally electrical operation for remote switching applications
4.High environmental adaptability with a wide operating temperature range and robust mechanical design
5.Compliance with global standards and certifications for industrial, infrastructure, and commercial installations
Applications：
1.Industrial: Protects motors, distribution lines, and critical equipment in factories and industrial parks
2.Infrastructure: Airports, hospitals, and residential complexes requiring reliable low-voltage protection
3.Building Distribution: Commercial and residential electrical distribution systems
4.Special Applications: Suitable for photovoltaic (PV) systems DC-side protection (verified DC interrupting capacity required) and other demanding energy setups
