Siemens 3RV2011-0FA10 SIRIUS Circuit Breaker Motor Protection 0.5A 3P 100kA

The Siemens 3RV2011-0FA10 (MLFB: 3RV2011-0FA10) is a SIRIUS 3RV2 series size S00 circuit breaker designed for motor protection. It provides CLASS 10 thermal overload protection with an adjustable release range of 0.35-0.5 A and a magnetic short-circuit trip at 6.5 A, rated for up to 690 V AC across 3 poles.

Technical specifications:

• MLFB: 3RV2011-0FA10
• Manufacturer: Siemens
• Product line: SIRIUS
• Product type: Circuit breaker for motor protection
• Type designation: 3RV2
• Size: S00
• Number of poles: 3
• Continuous current rating: 0.5 A
• Adjustable overload release: 0.35-0.5 A
• Instantaneous short-circuit trip (N-release): 6.5 A
• Trip class: CLASS 10
• Rated voltage: 690 V AC
• Insulation voltage: 690 V (pollution degree 3)
• Surge voltage resistance: 6 kV
• Ultimate breaking capacity (Icu): 100 kA at 240/400/500/690 V AC
• Service breaking capacity (Ics): 100 kA at 240/400/500/690 V AC
• Operating frequency: 50-60 Hz
• Connection type: Screw terminals, top and bottom
• Conductor cross-section (solid/stranded): 0.75-4 mm²
• Conductor cross-section (finely stranded): 0.5-2.5 mm²
• IP rating (front/terminals): IP20
• Ambient operating temperature: -20 to +60 °C
• Mounting: Screw or snap-on, 35 mm DIN rail (DIN EN 60715)
• Dimensions (WxHxD): 45 x 97 x 97 mm
• Weight: 280 g
• Maximum installation altitude: 2,000 m
• Power loss at rated current: 5.5 W (1.8 W per pole)
• Mechanical/electrical service life: 100,000 operating cycles
• ATEX certification: DMT 02 ATEX F 001, Ex II (2) GD
• UL File Number: E47705 (NLRV, NLRV7), E156943 (NKJH, NKJH7)
• Phase failure detection: Yes
• Disconnector functionality: Yes

Features and benefits:

• 100 kA breaking capacity at all rated voltages (240-690 V) provides high short-circuit protection in demanding installations
• Adjustable overload release (0.35-0.5 A) allows precise motor protection tuning without additional components
• Integrated disconnector functionality enables safe isolation of the motor circuit
• Compatible with size S00 and S0 contactors for direct combination in compact motor starter assemblies
• ATEX-certified for use in explosive atmospheres (Ex II (2) GD)
• Suitable for safety-related switching OFF applications per safety function requirements

Applications:

• Protection of small three-phase motors up to 0.12 kW at 400 V in industrial control panels
• Motor starter assemblies combined with S00 or S0 contactors in switchgear cabinets
• Applications in explosive atmospheres requiring ATEX-rated protection devices
• Control panel installations requiring disconnector functionality and DIN rail mounting
• Low-current motor circuits in automation systems operating at 50-60 Hz, up to 690 V

Compliant with IEC 60529 (IP rating), IEC 60068-2-27 (shock resistance), and IEC 81346-2. Part of the Siemens SIRIUS 3RV2 range.

Also known as: Siemens 3RV2011-0FA10, SIRIUS 3RV2 motor protection circuit breaker, Siemens 3RV2 motor starter protector.