Siemens SIRIUS System Manual

3RU11, 3RB10, and 3RB12 overload relays
SIRIUS System Manual
4-24
GWA 4NEB 430 0999-02b
4.4.2 Mechanical remote reset
The mechanical remote reset is available in 2 variants:
• A resetting plunger with a support and funnel (3RU1900-1A) for operation
from the cubicle door.
The plunger must be cut to the required length.
• A wire release with a support (3RU1900-1B, -1C) for built-in overload
relays that are hard to reach.
The wire is available in two lengths:
3RU1900-1B: 400 mm
3RU1900-1C: 600 mm
Resetting plunger
Installation
The following graphics show how to install and remove the resetting plunger
or the wire release for the 3RU11, frame size S00.
Example 3RU11, frame size S00:
Figure 4-14: Mechanical remote reset: resetting plunger, installation
Removal
Figure 4-15: Mechanical remote reset: resetting plunger, removal
1
2
3SB1
Cubicle door
2
1

Siemens SIRIUS Specifications

General

Product brand name	Siemens
Series	SIRIUS
Coil Voltage	24V DC, 110V AC, 230V AC
Switching Capacity	Up to 10A
Mounting Type	DIN rail
Product designation	SIRIUS
Contact Material	Silver alloy
Contact Rating	Varies depending on the specific SIRIUS relay model (e.g., 6 A at 250 V AC, 10 A at 250 V AC)
Switching Voltage	Varies depending on the specific SIRIUS relay model (e.g., 250 V AC, 400 V AC)
Mechanical Life	Up to 10 million operations
Electrical Life	Up to 100, 000 operations
Operating Temperature	-25°C to +55°C
Protection Class	IP20
Size of relay base	Varies depending on the specific SIRIUS relay model