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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RA1110-1BA15-1AP0 |
| Alternative Part Number | 3RA11101BA151AP0 |
| Manufacturer | Siemens |
| Product Brand Name | SIRIUS |
| Product Designation | Non-fused load feeder |
| Design | Direct starter |
| Size | S00 |
| Protection Class IP | IP20 |
| Degree of Pollution | 3 |
| Insulation Voltage | 690 V |
| Installation Altitude | Up to 2,000 m above sea level |
| Ambient Temperature (Operating) | -20 … +70 °C |
| Ambient Temperature (Storage) | -55 … +80 °C |
| Shock Resistance | 9.8g |
| Impulse Voltage Resistance | 6 kV |
| Reference Code | Q (according to DIN EN 61346-2) |
| Mechanical Operating Cycles | 30,000,000 (of the contactor) |
| Breaking Capacity | 50 kA at 400 V |
| Mounting Position | ±90° rotatable, ±22.5° tiltable |
| Mounting Type | Snap-on fastening on 35 mm standard rail |
| Dimensions (W x H x D) | 45 mm x 159 mm x 75 mm |
| Distance to be Maintained | Various distances to be maintained for safe installation |
| Electrical Connection | Screw-type terminals for main current circuit |
| Connectable Conductor Cross-section | 0.5 ... 4 mm² solid/stranded, 2x (0.75 ... 2.5 mm²) finely stranded with conductor end processing |
| AWG Conductors | 2x (18 ... 14) for main contacts |
| Verification of Suitability | UL / CSA / CCC / GL / LRS / BV / DNV / PRS |
| Certificates/ Approvals | Various approvals indicating compliance with international standards |
The Siemens 3RA1110-1BA15-1AP0 is a robust and efficient non-fused load feeder designed for direct starting applications. This component is part of the SIRIUS product family, renowned for its reliability and performance in industrial settings. With a size S00, it is compact and suitable for mounting onto standard mounting rails, making it a versatile choice for various control panel configurations.
This load feeder operates with an adjustable response current of 1.4 to 2 A and is rated for use at AC 400V in AC-3 utilisation category, delivering a service power of 0.75 kW at this voltage. It is equipped with a bimetal motor protection system to ensure the safety and longevity of connected motors. The control supply voltage is rated at AC 230V, 50 Hz, and the unit includes one normally open (NO) contact for auxiliary circuits.
The 3RA1110-1BA15-1AP0 is designed with an electromechanical switching contact and offers short circuit protection through its integrated circuit-breakers. It boasts a high breaking capacity limit short-circuit current (lcu) of 50 kA at 400V, providing robust protection against electrical faults.
For installation, the device can be mounted in various positions and requires minimal clearance, allowing for flexible and space-saving setup. The electrical connections are made via screw-type terminals, accommodating a range of conductor sizes for both solid and stranded wires.
This load feeder is designed to operate within a wide ambient temperature range, ensuring reliable performance in diverse environments. It also has a high mechanical operating cycle count, highlighting its durability for long-term operation.
The Siemens 3RA1110-1BA15-1AP0 is a practical solution for direct motor starting and control applications, offering a combination of performance, safety, and ease of use that is well-suited for industrial automation systems.
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Frequently Asked Questions
What is the design of the switching contact for this Siemens load feeder?
The switching contact of this Siemens load feeder is electromechanical, providing reliable operation for direct starting applications.
Can you explain the motor protection type used in this device?
The device utilises bimetal motor protection, which offers thermal overload protection by using a bimetal strip to break the circuit when excessive temperatures are detected.
What is the adjustable response current range for the overload release?
The current-dependent overload release can be adjusted within a range of 1.4 to 2 amperes, allowing for precise protection settings according to the motor's requirements.
How many poles does the main current circuit have?
The main current circuit of this load feeder has 3 poles, suitable for three-phase applications.
What is the rated operating voltage and current for this device at AC-3?
At AC-3, the rated operating voltage is a maximum of 400 volts, and the rated operating current at 400 V is 1.9 amperes.
What type of control feed voltage is used in the control circuit?
The control circuit uses an alternating current (AC) type of control feed voltage.
Does this load feeder include an auxiliary switch?
Yes, this load feeder includes a product extension with an auxiliary switch.
What short circuit protection does this Siemens load feeder offer?
The load feeder offers short circuit protection through the use of circuit-breakers, enhancing the safety and reliability of the system.
What is the breaking capacity limit for short-circuit current at 400 V?
The breaking capacity limit for short-circuit current at 400 V is rated at 50 kA.
What are the mounting options for this load feeder?
This load feeder can be mounted by snap-on fastening onto a 35 mm standard rail, providing flexibility and ease of installation.
What are the dimensions of this load feeder?
The dimensions of the load feeder are 45 mm in width, 159 mm in height, and 75 mm in depth.
What type of electrical connections are available for the main current circuit?
The main current circuit features screw-type terminals, which are designed to accommodate various conductor cross-sections for secure and reliable connections.
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