Home › Manufacturers › Siemens › 3UB1810-0D

Siemens

Siemens 3UB1810-0D Current Transformer for Contactor Mounting

Siemens Current Transformer for Contactor

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3UB1810-0D

Primary Current 20-80A

Secondary Current 1A

Mounting Onto contactors 3TB44-3TB48

Type Current Transformer

Get a price for 3UB1810-0D

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

20-80A Primary Current Range 1A Secondary Output Mounts Directly to Contactors For Overload Monitoring

Product description

The Siemens 3UB1810-0D is a current transformer designed for mounting onto specific Siemens contactors, including the 3TB44 through 3TB48 series. It features a primary current rating from 20A to 80A and a secondary current output of 1A. This transformer is essential for monitoring or controlling current in industrial electrical systems.

This component is vital for applications requiring current measurement for overload protection, metering, or control signaling. Its direct mounting capability onto compatible contactors simplifies installation and integration into motor control circuits and electrical distribution panels.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers the Siemens 3UB1810-0D. We provide reliable and cost-effective surplus components for your automation needs. Trust Stanlo Automation to supply the quality parts necessary to maintain your electrical systems.

Technical specifications

Primary Current	20-80A
Secondary Current	1A
Mounting	Onto contactors 3TB44-3TB48
Type	Current Transformer

Common applications

Motor Control

Electrical Distribution

Overload Protection

Current Monitoring

Compatible systems

Siemens 3TB44-3TB48 Contactors

Also known as

Siemens Current Transformer 3UB1810-0D 3UB18100D

Replaces / compatible with

Designed for use with Siemens 3TB44, 3TB45, 3TB46, 3TB47, and 3TB48 contactors.

Technical note

Expert tip

Ensure the selected primary current setting accurately reflects the motor's full load amperage for proper overload protection.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the primary to secondary current ratio of the Siemens 3UB1810-0D current transformer?

The Siemens 3UB1810-0D current transformer has a primary current range of 20-80A and a secondary current output of 1A, providing a variable ratio depending on the primary current setting.