Product Description
The SIEMENS 3RU21264AC0 is a thermal overload relay designed for motor protection. This SIRIUS innovation protects motors with a current range of 11 to 16 A, and is size S0, class 10. It features a spring connection for easy installation and reliable performance. Suitable for motor control and automation systems.
Thermal overload relay
Motor protection 11...16 A S0
Spring connection
Product Highlights
Thermal overload relay for motor protection with spring connection.
Product Information
Standard Information
Brand : SIEMENS
Manufacturer Part Number : 3RU21264AC0
Country of Origin : Alemania
Technical Specifications
Product Designation
Thermal Overload Relay
Product Type Designation
3RU2
Power Loss (AC, Hot Operating State)
8.1 W
Insulation Voltage (Pollution Degree 3)
690 V
Rated Surge Voltage Resistance
6 kV
Shock Resistance (IEC 60068-2-27)
8g / 11 ms
Protection Mode Ex (ATEX Directive 2014/34/UE)
Ex II (2) GD
Suitability Certificate (ATEX Directive 2014/34/UE)
DMT 98 ATEX G 001
Reference Designations (IEC 81346-2:2009)
F
Installation Altitude
2 000 m
Operating Temperature
-40 ... +70 °C
Storage Temperature
-55 ... +80 °C
Transport Temperature
-55 ... +80 °C
Temperature Compensation
-40 ... +60 °C
Relative Humidity During Operation
10 ... 95 %
Number of Poles (Main Circuit)
3
Current Response Value
11 ... 16 A
Rated Voltage (AC-3e)
690 V
Rated Frequency
50 ... 60 Hz
Rated Current (AC-3e, 400 V)
16 A
Rated Power (AC-3, 400 V)
7.5 kW
Rated Power (AC-3, 500 V)
7.5 kW
Rated Power (AC-3, 690 V)
11 kW
Rated Power (AC-3e, 400 V)
7.5 kW
Rated Power (AC-3e, 500 V)
7.5 kW
Rated Power (AC-3e, 690 V)
11 kW
Auxiliary Switch Type
Integrated
Number of NC Contacts (Auxiliary Contacts)
1
Number of NO Contacts (Auxiliary Contacts)
1
Number of CO Contacts (Auxiliary Contacts)
0
Operating Current (AC-15, 24 V)
3 A
Operating Current (AC-15, 110 V)
3 A
Operating Current (AC-15, 120 V)
3 A
Operating Current (AC-15, 125 V)
3 A
Operating Current (AC-15, 230 V)
2 A
Operating Current (AC-15, 400 V)
1 A
Operating Current (DC-13, 24 V)
2 A
Operating Current (DC-13, 60 V)
0.3 A
Operating Current (DC-13, 110 V)
0.22 A
Operating Current (DC-13, 125 V)
0.22 A
Operating Current (DC-13, 220 V)
0.11 A
Auxiliary Contacts Load Capacity (UL)
B600 / R300
Overload Trigger Type
Thermal
Full Load Current (FLA, Three-Phase Motor, 480 V)
16 A
Full Load Current (FLA, Three-Phase Motor, 600 V)
16 A
Fuse Type (Short-Circuit Protection, Auxiliary Contact Block)
fuse gG: 6 A, fast: 10 A
Mounting Position
According to user needs
Mounting Type
For mounting on contactor
Removable Terminal Block Component
No
Electrical Connection (Main Circuit)
Spring-type terminal
Electrical Connection (Auxiliary and Control Circuit)
Spring-type terminal
Electrical Connection Arrangement (Main Circuit)
Top and bottom
Connectable Conductor Sections (Main Contacts, Solid or Stranded)
1x (1 ... 10 mm²)
Connectable Conductor Sections (Main Contacts, Flexible with Cable End Preparation)
1x (1 ... 6 mm²)
Connectable Conductor Sections (Main Contacts, Flexible without Cable End Preparation)
1x (1 ... 6 mm²)
Connectable Conductor Sections (AWG Cables, Main Contacts)
1x (18 ... 8)
Connectable Conductor Sections (Auxiliary Contacts, Solid or Stranded)
2x (0.5 ... 2.5 mm²)
Connectable Conductor Sections (Auxiliary Contacts, Flexible with Cable End Preparation)
2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Connectable Conductor Sections (Auxiliary Contacts, Flexible without Cable End Preparation)
2x (0.5 ... 1.5 mm²)
Connectable Conductor Sections (AWG Cables, Auxiliary Contacts)
2x (20 ... 14)
Screwdriver Shaft Type
Diameter 3 mm
Screwdriver Tip Size
3.0 x 0.5 mm
Failure Rate [FIT] (Low Demand Rate, SN 31920)
50 FIT
MTTF (High Demand Rate)
2 280 y
IP Protection Degree (Front, IEC 60529)
IP20
Contact Protection (Front, IEC 60529)
Finger-safe in case of vertical contact from the front
Switching Status Display Type
Slider
Utilization Categories
CONTROL Y AUTOMATIZACIÓN
Contact Material
Alloy of metals
Auxiliary Contact Types
1NA + 1NC
Motor Type
Motor de inducción (usualmente se refiere a motores trifásicos)
Recommended Uses
Control de motores, Sistemas de automatización
Number of Auxiliary Poles
2
Operating Temperature Range
-25°C a +60°C