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3RB3026-1QB0
Siemens 3RB3026-1QB0 available at EU Automation. Get in touch today for a quick price.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Siemens 3RB3026-1QB0 is an electronic overload relay designed for motor protection in industrial applications. With a size S0, this solid-state overload relay offers a Class 10E trip class and is compatible with S0 contactors. The 3RB3026-1QB0 features an adjustable response current of 6 to 25 A, making it suitable for a wide range of motor sizes. The main circuit has 3 poles and operates at a maximum voltage of 690 V AC. The auxiliary circuit includes 1 NC contact and 1 NO contact, ensuring reliable operation and clear signaling. Designed for easy installation, the 3RB3026-1QB0 can be mounted directly onto a contactor and features screw connections for both the main and auxiliary circuits. With a temperature compensation range of -25 to +60 °C and an IP20 protection rating, this overload relay is built to withstand harsh industrial environments. Enhance your motor protection system with the Siemens 3RB3026-1QB0 overload relay.
| Specification | Description |
|---|---|
| Part Number | 3RB3026-1QB0 |
| Alternative Part Number | 3RB30261QB0 |
| Manufacturer | Siemens |
| Size of Overload Relay | S0 |
| Size of Contactor | S0 |
| Type of Protection | PTB 09 ATEX 3001 Ex II (2) GD |
| Trip Class | CLASS 10 |
| Number of Poles | 3 |
| Operating Voltage (max) | 690 V |
| Operating Current (AC-3) | 25 A |
| Adjustable Response Current | 6 - 25 A |
| Service Power (3-phase) | 3 - 11 kW |
| Operating Current (Fuse) | 50 A |
| Auxiliary Contacts | 1 NC, 1 NO |
| Operating Current (Auxiliary) | AC-15: 4 A (24-125 V), 3 A (230 V); DC-13: 2 A (24 V), 1 A (60 V), 0.3 A (110-125 V), 1 A (220 V) |
| Display | Slide Switch |
What is the size of the overload relay?
The size of the overload relay for the 3RB3026-1QB0 is S0.
What is the trip class of this overload relay?
The trip class of the 3RB3026-1QB0 is CLASS 10E.
What is the adjustable response current range?
The adjustable response current range for the 3RB3026-1QB0 is 6 to 25 A.
What is the operating voltage for this overload relay?
The maximum operating voltage for the 3RB3026-1QB0 at 3 AC is 690 V.
What are the dimensions of this overload relay?
The dimensions of the 3RB3026-1QB0 are 87 mm in height, 45 mm in width, and 84 mm in depth.
What is the mounting type for this overload relay?
The 3RB3026-1QB0 has a contactor mounting type.
What is the number of NC and NO contacts for auxiliary contacts?
The 3RB3026-1QB0 has 1 NC contact and 1 NO contact for auxiliary contacts.
What is the operating current of auxiliary contacts at AC-15?
The operating current of auxiliary contacts at AC-15 for the 3RB3026-1QB0 is 4 A at 24 V, 110 V, 120 V, and 125 V, and 3 A at 230 V.
What is the operating current of auxiliary contacts at DC-13?
The operating current of auxiliary contacts at DC-13 for the 3RB3026-1QB0 is 2 A at 24 V, 0.55 A at 60 V, 0.3 A at 110 V and 125 V, and 0.11 A at 220 V.
What is the type of protection for this overload relay?
The type of protection for the 3RB3026-1QB0 is PTB 09 ATEX 3001 Ex II (2) GD.
- Motor protection in industrial automation systems
- Overload protection for three-phase motors
- Integration with contactors for motor control applications
- Machinery and equipment safety in manufacturing plants
- Pump and fan motor protection in HVAC systems
- Conveyor system motor protection in material handling facilities
- Compressor motor protection in refrigeration systems
- Elevator and escalator motor protection in commercial buildings
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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