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Siemens
3RA2110-1CA15-1BB4
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RA2110-1CA15-1BB4 |
| Alternative Part Number | 3RA21101CA151BB4 |
| Manufacturer | Siemens |
| Series | 3RA21 |
| Type | Load Feeder Direct-On-Line (DOL) Starter |
| Rated Operational Current | 1.9 A |
| Operating Voltage | Up to 690 V |
| Dimensions | 45 x 96.9 x 167.2 mm |
| Weight | 0.454 kg |
| Control Supply Voltage | 24 V DC |
| Holding Power of Magnet Coil | 4 W |
| Number of Poles | 3 |
| Operating Frequency | 50 ... 60 Hz |
| Operating Power at AC-3 | 750 W at 400 V |
| Trip Class | CLASS 10 |
| Overload Release Design | Thermal (bimetallic) |
| Auxiliary Switch | Yes |
| Commodity Code | 853649 |
| Ambient Temperature Range | -20 ... +60 °C |
| Relative Humidity | 10 ... 95 % during operation |
| Mechanical Service Life | Typical 30 million switching cycles |
| Protection Type | Electromechanical with fingersafe touch protection |
| Certifications | Conforms with ATEX directive 2014/34/EU, DMT 02 ATEX F 001 |
The Siemens 3RA2110-1CA15-1BB4 is a robust and reliable load feeder fuseless direct-on-line (DOL) starter, designed to offer efficient control and protection for motors. This component is part of the esteemed 3RA21 series and is engineered to facilitate seamless motor start-up processes. With a compact footprint of 45 x 96.9 x 167.2 mm and a weight of 0.454 kg, it is suitable for space-conscious installations.
This DOL starter is rated for a 1.9 A operating current and can handle a maximum operating voltage of 690 V, making it versatile for a wide range of industrial applications. The device is characterised by its electromechanical switching contact design and a thermal (bimetallic) overload release with an adjustable pick-up value current ranging from 1.8 to 2.5 A, ensuring reliable protection against motor overload conditions.
The control circuit of the Siemens 3RA2110-1CA15-1BB4 operates with a DC control supply voltage, with a rated value of 24 V. It also features an auxiliary switch for product extension, enhancing its functionality. The unit is designed for vertical mounting and can be easily installed via screw and snap-on mounting onto a 35 mm standard mounting rail.
With a mechanical service life of approximately 30 million switching cycles, this DOL starter promises longevity and durability in demanding industrial environments. It also includes short-circuit protection with a magnetic trip design, ensuring safety and compliance with stringent standards.
The Siemens 3RA2110-1CA15-1BB4 is a testament to Siemens' commitment to quality, offering a reliable and efficient solution for motor control and protection in a variety of industrial settings.
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Frequently Asked Questions
What is the purpose of this load feeder?
The load feeder is designed to provide a compact and efficient way to start and protect motors in a direct on-line (DOL) configuration. It integrates a contactor and overload protection in one device.
Can this load feeder be used in hazardous locations?
Yes, it has approvals for use in hazardous locations, making it suitable for a variety of industrial environments that require strict safety standards.
What type of overload release does the load feeder have?
The load feeder is equipped with a thermal (bimetallic) overload release, providing protection against motor overload conditions.
What is the rated operating voltage of this device?
The rated operating voltage of the device is 690 V, which is suitable for many industrial applications.
What are the dimensions of the load feeder?
The dimensions of the load feeder are 45 x 96.9 x 167.2 mm, making it a compact solution for motor control.
What is the trip class of the overload relay?
The overload relay has a trip class of 10, which indicates the time it takes for the relay to trip in the event of an overload.
How can this load feeder be mounted?
The load feeder can be mounted either by screwing it in place or by snapping it onto a 35 mm standard mounting rail, providing flexibility in installation.
What is the mechanical service life of the contactor?
The contactor within the load feeder has a typical mechanical service life of 30 million switching cycles, indicating its durability and reliability.
Is there an auxiliary switch option for this load feeder?
Yes, the load feeder does have the option to extend with an auxiliary switch for additional control or signalling functions.
What is the operating current at AC-3 for this device?
At AC-3, the operating current at 400 V is rated at 1.9 A, which is a common category for controlling small motors.
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