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SQUARE D Solid Core Current Transformer: 100 A Primary Current - Max - Solid Core Current Transformers
SQUARE DSolid Core Current Transformers

SQUARE D Solid Core Current Transformer: 100 A Primary Current - Max

The SQUARE D HDMCT100S1 is a solid core current transformer with a round window shape and wire lead connection. It has a maximum primary current rating of 100 A and a maximum secondary current rating of 5 A.

SKU 3G-OTH-43623

Brand
SQUARE D
Item
Solid Core Current Transformer: 100 A Primary Current - Max
Category
Solid Core Current Transformers
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Technical Specifications

SQUARE D
Manufacturer Part Number
HDMCT100S1
Type
- Max, 5 A Secondary Current - Max
Connection
Wire Lead
Window Shape
Round

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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SQUARE D HDMCT100S1 is a solid core current transformer with a round window shape and wire lead connection. It has a maximum primary current rating of 100 A and a maximum secondary current rating of 5 A.

Frequently Asked Questions

What is the SQUARE D HDMCT100S1 solid core current transformer used for?

The SQUARE D HDMCT100S1 is used for measuring alternating current (AC) in industrial power systems. It steps down high primary current (up to 100 A) to a safe 5 A secondary signal for meters, relays, and panel instruments. Typical applications include motor control centers, switchgear, and energy management in manufacturing plants.

What are the specifications of the SQUARE D HDMCT100S1 current transformer?

The SQUARE D HDMCT100S1 is a solid core current transformer with a round window shape and wire lead connection. Its maximum primary current rating is 100 A, and its maximum secondary current rating is 5 A. The manufacturer part number is HDMCT100S1. It is designed for indoor use in fixed electrical installations.

Where to buy the SQUARE D HDMCT100S1 current transformer worldwide?

3G Electric supplies the SQUARE D HDMCT100S1 current transformer to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time. We source genuine SQUARE D components for industrial applications.

How to install a SQUARE D solid core current transformer?

Install the SQUARE D HDMCT100S1 on the primary conductor by passing the conductor through the round window. Ensure the conductor is centered and the transformer is securely mounted. Connect the secondary wire leads to your metering or relay device, observing polarity markings. Always de-energize the circuit before installation and follow local electrical codes.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems

SQUARE D Products

3G Electric supplies SQUARE D solid core current transformers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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