3RK4320-3MQ54-0BA2 SIRIUS MCU MOTOR STARTER
From SIEMENS
| SIRIUS MCU motor starter Enclosure degree of protection IP54 metal Communication AS-Interface electromechanically switching Short-circuit protection with circuit breaker DOL starter Brake 230 V AC (internal) Performance class 8.00 A Motor circuit breaker with bi-metal thermal Rotary operating mechanism gray/black Connection power M screw connection Standard product | ||
| General technical data: | ||
| Design of the product | direct starter | |
| Product function | ||
| Bus communication | Yes | |
| Short circuit protection | Yes | |
| Protocol is supported | ||
| AS-interface protocol | Yes | |
| PROFINET protocol | No | |
| PROFIBUS DP protocol | No | |
| Product component Motor brake output | Yes | |
| Product feature | ||
| brake control with 24 V DC | No | |
| brake control with 180 V DC | No | |
| brake control with 500 V DC | No | |
| brake control with 230 V AC | Yes | |
| brake control with 400 V AC | No | |
| Product extension braking module for brake control | No | |
| Type of assignment | 1 | |
| Width | 245 mm | |
| Height | 215 mm | |
| Depth | 205 mm | |
| Operating frequency minimum | 80 1/h | |
| Equipment marking acc. to DIN 40719 extended according to IEC 204-2 acc. to IEC 750 | A | |
| Equipment marking acc. to DIN EN 61346-2 | Q | |
| Control circuit/ Control: | ||
| Type of voltage | DC | |
| Control supply voltage | ||
| at DC rated value | ||
| — minimum | 20.4 V | |
| — maximum | 26.4 V | |
| Number of digital inputs | 2 | |
| Main circuit: | ||
| Design of short-circuit protection | circuit-breakers | |
| Type of the motor protection | bimetal | |
| Design of the switching contact | electromechanical | |
| Operating current at AC at 400 V rated value | 8 A | |
| Operating voltage rated value | 340 ... 440 V | |
| Operating power at AC-3 at 400 V rated value | 3 kW | |
| Operating power for three-phase motors at 400 V at 50 Hz | 3 ... 3 kW | |
| Adjustable pick-up value current of the current-dependent overload release | 5.5 ... 8 A | |
| Maximum short-circuit current breaking capacity (Icu) at 400 V rated value | 50 000 A | |
| Number of poles for main current circuit | 3 | |
| Connections/ Terminals: | ||
| Type of electrical connection for main current circuit | screw-type terminals | |
| Ambient conditions: | ||
| Protection class IP | IP54 | |
| Ambient temperature during operation | -25 ... +50 °C | |



