Siemens SIRIUS 3RV1011-0JA10 Motor Starter Protector, 0.7-1.1 A, 3-Pole, Screw Terminals

Motor protection is critical in industrial automation, where unexpected overloads or short circuits can halt production and damage equipment. The Siemens SIRIUS 3RV1011-0JA10 motor starter protector offers precise thermal and instantaneous short-circuit release, ensuring your motors run safely and reliably. Part of the proven SIRIUS 3RV1 series, this compact size S00 device is engineered for demanding applications up to 690 V AC.

Who is it for

This motor starter protector is ideal for panel builders, maintenance engineers, and OEMs who need a dependable, space-saving solution for protecting three-phase motors up to 1.1 A. It suits conveyor systems, pumps, fans, and other industrial machinery where downtime is costly.

Main features

• Adjustable overload release from 0.7 A to 1.1 A for precise motor protection.
• Fixed short-circuit release at 14.3 A for rapid fault interruption.
• High breaking capacity of 100 kA at 400 V AC ensures safety in demanding networks.
• Compact S00 size with screw terminals for easy wiring and DIN rail mounting.
• Tripping class 10 provides fast response to overloads, protecting motor windings.
• IP20 protection suitable for installation in enclosed control panels.

Specifications

• Product type: Motor starter protector
• Series: SIRIUS 3RV1
• Size: S00
• Number of poles: 3
• Setting range for overload release: 0.7 - 1.1 A
• Short-circuit release setting: 14.3 A (fixed)
• Rated operational voltage (Ue): max. 690 V AC
• Rated insulation voltage (Ui): 690 V
• Rated impulse withstand voltage (Uimp): 6 kV
• Tripping class: CLASS 10
• Release type: thermal and instantaneous short-circuit
• Short-circuit breaking capacity (Icu): 100 kA at 400 V AC
• Connection type: screw terminals
• Mounting type: DIN rail (35 mm) / screw mounting
• Degree of protection: IP20
• Operating frequency: 50/60 Hz
• Standards: IEC 60947-2, IEC 60947-4-1
• Auxiliary contacts: none (external add-on possible)

Tips

For enhanced functionality, consider adding auxiliary contacts or a signaling switch to monitor the device status remotely. Always verify the motor's full-load current and set the overload release accordingly to avoid nuisance tripping. Mount the protector in a well-ventilated enclosure to maintain optimal operating temperature.