Siemens
Siemens 3UB8113-4BB2 Auxiliary Contactor
Siemens 3UB8113-4BB2 auxiliary contactor, 4 poles (2NO+2NC).
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12-month warranty
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Veteran-owned
CAGE: 9NK75
4-pole configuration
Auxiliary contacts (NO/NC)
Expands control circuits
Siemens quality
Reliable performance
Product description
The Siemens 3UB8113-4BB2 is an auxiliary contactor featuring four poles, configured as 2 normally open (NO) and 2 normally closed (NC) contacts. This component is designed to expand the contact capabilities of other control devices.
Auxiliary contactors are essential in automation for adding control circuits, interlocking functions, or signaling. They are widely used in motor control, power distribution, and complex automation systems.
Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 3UB8113-4BB2. We provide reliable access to quality components for your automation needs.
Technical specifications
| Poles | 4 |
| Contacts | 2 NO + 2 NC |
| Type | Auxiliary Contactor |
Common applications
Motor control circuits
Automation systems
Control panel expansion
Signaling circuits
Interlocking functions
Compatible systems
Siemens control systems and contactors
Also known as
Siemens 3UB81 series contactor
3UB81134BB2
Replaces / compatible with
Used to supplement the contact arrangements of larger contactors or relays. Consult Siemens documentation for specific application suitability.
Technical note
Expert tip
This auxiliary contactor is typically used to expand the control logic or signaling capabilities of a main power contactor or motor starter.What happens next?
1
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2
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3
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Frequently asked questions
What is the contact configuration of the Siemens 3UB8113-4BB2 auxiliary contactor?
The Siemens 3UB8113-4BB2 auxiliary contactor has a 4-pole configuration, consisting of 2 normally open (NO) contacts and 2 normally closed (NC) contacts.