Home › Manufacturers › Siemens › 3WL9111-0AA23-0AA0

Siemens

Siemens 3WL9111-0AA23-0AA0 External Current Transformer Accessory

Siemens 3WL9111-0AA23-0AA0 n-conductor protection accessory

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number3WL9111-0AA23-0AA0

Part Number 3WL9111-0AA23-0AA0

Manufacturer Siemens

For Breaker Series 3WL

Size III

Get a price for 3WL9111-0AA23-0AA0

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

N-conductor protection Rogowski converter technology External current transformer For 3WL Size III circuit breakers Enables enhanced protection Accessory component

Product description

The Siemens 3WL9111-0AA23-0AA0 is an accessory designed for the 3WL series circuit breakers, specifically for Size III units. This accessory functions as an external current transformer system for n-conductor protection, utilizing a Rogowski converter technology. It does not include a copper bar, implying it's a component for integration into an existing setup.

This accessory is crucial for enhancing protection capabilities in industrial electrical systems, particularly where precise measurement and protection of the neutral conductor are required. Applications include complex power distribution networks, large motor drives, and sensitive electronic equipment protection.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 3WL9111-0AA23-0AA0. Trust us for your specialized industrial automation needs, ensuring you receive quality and reliable components.

Technical specifications

Part Number	3WL9111-0AA23-0AA0
Manufacturer	Siemens
For Breaker Series	3WL
Size	III
Function	External current transformer for n-conductor protection
Technology	Rogowski converter
Included	Without copper bar

Common applications

Industrial power distribution

Motor protection

Sensitive electronic systems

Large manufacturing facilities

Utilities

Data centers

Compatible systems

Siemens 3WL Size III circuit breakers

Also known as

Siemens 3WL accessory 3WL Size III n-conductor protection Rogowski converter 3WL

Replaces / compatible with

This accessory is designed to integrate with Siemens 3WL Size III circuit breakers to add specific n-conductor protection features.

Technical note

Expert tip

Proper installation and calibration of the Rogowski converter are critical for accurate n-conductor current measurement and effective 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 purpose of the Siemens 3WL9111-0AA23-0AA0 accessory?

The Siemens 3WL9111-0AA23-0AA0 is an accessory for 3WL Size III circuit breakers that provides external current transformer functionality for n-conductor protection, using a Rogowski converter.