3RH2911-1HA22 Description:The 3RH2911-1HA22 is a versatile industrial power relay from Siemens' SIRIUS 3RH series, designed for reliable switching of electrical loads in control circuits. It provides robust, high-performance switching for applications requiring a high number of operations, such as in conveyor systems, machine tools, and process control. The relay features a modular design that allows for flexible configuration with various snap-on accessories, including auxiliary contacts and time-delay modules, making it a highly adaptable solution for complex control tasks.
3RH2911-1HA22 Features:
High Switching Capacity: Designed to handle high inrush currents, making it suitable for controlling motors, solenoids, and other inductive loads.
Modular Design: Supports easy field expansion with snap-on auxiliary contacts (NO/NC) and timer modules, allowing for custom configurations without rewiring.
Clear Status Indication: Integrated LED indicators provide visual feedback on the coil status, aiding in troubleshooting and maintenance.
Long Service Life: High mechanical and electrical durability ensures reliable performance over millions of switching cycles, even in demanding environments.
Universal Mounting: Easy snap-on mounting on DIN rail, with front-accessible terminals for straightforward installation and wiring.
Wide Range of Coil Voltages: Available in multiple AC and DC coil voltage options to suit various control circuit requirements.
Contacts: Silver alloy (AgSnO₂) contacts for low contact resistance, high arc resistance, and extended electrical life.
Coil: Copper-wound coil with Class F insulation, ensuring reliable operation across a wide voltage range.
Terminals: Screw-type terminals designed for secure, vibration-resistant connections, suitable for a range of conductor sizes.
Applications: Ideal for use in motor control circuits, heating systems, lighting control, conveyor systems, packaging machinery, and general industrial automation control panels.
3RH2911-1HA22 Key Parameters:
Parameter
Specification
Manufacturer / Series
Siemens / SIRIUS 3RH
Order Number
3RH2911-1HA22
Rated Operational Voltage (Ue)
690 V AC / 250 V DC
Rated Operational Current (Ie) at AC-15, 230V
10 A
Rated Operational Current (Ie) at DC-13, 24V
6 A
Control Supply Voltage (Coil Voltage)
230 V AC, 50/60 Hz (Standard for this variant)
Power Consumption (Coil)
Approx. 4.5 VA (AC)
Number of Main Contacts
4 Changeover Contacts (4 CO = 4NO + 4NC)
Mechanical Durability
30 million operations
Electrical Durability (AC-15)
1 million operations
Mounting
Snap-on mounting on DIN EN 60715 (35 mm) top-hat rail
Ambient Temperature Range
-40°C to +70°C (Operation)
Protection Degree
IP20 (Installed in enclosure)
Connection Type
Screw Terminals (Front Accessible)
Standards & Certifications
IEC/EN 61810-1; CE; UL 508; CSA C22.2
Width
22.5 mm
Weight
Approx. 0.15 kg
FAQ
1. Q: Can you produce products according to our requirements?
A: Yes, Maxsine can do customized products according to your detailed requirements if it is not our
standard products.
2. Q: Do you have the products in stock?
A: The best-selling products are usually in stock. But the stock quantity is changing continuously. Thus
please confirm with sales before making order.
3. Q: What’s the delivery time?
A: If the models you order are in stock, Maxsine could deliver in 1 working day after 100% payment
received. If not in stock, Maxsine will deliver in 7 working days after 100% payment received.
4. Q: Will you deliver the right goods as ordered? How can I trust you?
A: Yes, we will. You can find the factory check report from the third-party company in our website. Maxsine
company really exists and provides servo motor and servo drive to customers from all over the world on
and on. And we can offer goods photos before delivery.