Siemens 3RV2011-1CA10 SIRIUS Motor Protection Circuit Breaker 3P 2.5A

The Siemens 3RV2011-1CA10 is a SIRIUS 3RV2 three-pole motor protection circuit breaker, size S00, with an adjustable overload release range of 1.8-2.5 A and an instantaneous short-circuit trip at 33 A. Rated for operating voltages up to 690 V AC, it delivers CLASS 10 thermal overload and short-circuit protection for three-phase motors up to 0.75 kW at 400 V. Screw terminals and built-in disconnector functionality are included as standard.

Technical specifications:

• MLFB: 3RV2011-1CA10
• Manufacturer: Siemens
• Product line: SIRIUS
• Product type: Circuit breaker for motor protection, type 3RV2
• Size: S00
• Poles: 3
• Rated current: 2.5 A
• Overload release range: 1.8-2.5 A
• Instantaneous trip (N-release): 33 A
• Trip class: CLASS 10
• Operating voltage: 20-690 V AC, 50-60 Hz
• Insulation voltage: 690 V (pollution degree 3)
• Surge voltage resistance: 6 kV
• Breaking capacity (Icu) at 400 V: 100 kA; at 690 V: 10 kA
• Motor power (AC-3): 0.75 kW at 400 V / 1.1 kW at 500 V / 1.5 kW at 690 V
• IP rating: IP20
• Operating temperature: -20 to +60°C
• Mounting: 35 mm DIN rail or screw, any position
• Terminals: Screw-type, top and bottom, 0.75-4 mm²
• Dimensions (WxHxD): 45 x 97 x 97 mm
• Weight: 348 g
• Certifications: ATEX DMT 02 ATEX F 001 (Ex II (2) GD), UL E47705

Features and benefits:

• Thermal overload protection (ANSI 49) with CLASS 10 trip characteristic
• Phase failure detection built in
• Disconnector functionality - no separate isolator required
• Direct combination with S00 and S0 contactors
• Extendable with auxiliary switches for signalling or interlocking

Applications:

• Protection of three-phase motors up to 0.75 kW at 400 V in industrial control panels
• Direct-on-line and reversing motor starters
• ATEX-rated installations in potentially explosive atmospheres (Ex II (2) GD)
• Combination starter assemblies with Siemens S00 and S0 contactors

Compliant with IEC 60529 (IP rating), IEC 60068-2-27 (shock resistance), and ATEX Directive 2014/34/EU. Part of the Siemens SIRIUS 3RV2 range.

Also known as: Siemens 3RV2011-1CA10, SIRIUS 3RV2 motor protection switch, Siemens S00 motor circuit breaker.