IUGX666-1-49-30.0-B-21 Equivalent & Substitute Parts

Part Overview

The IUGX666-1-49-30.0-B-21 is a 3-pole magnetic hydraulic delay circuit breaker with 30A current rating and rocker actuator, designed for panel mount applications. This part is classified as obsolete, making identification of active equivalent models necessary for procurement and system continuity. The substitute part maintains the same functional specifications while offering current availability and active product status.

Substiute Parts

IUGX666-1-49-30.0-B-21

Sensata-AirpaxIn Stock: 768IUGX666-1-49-30.0-B-21 Datasheet

Current PartRFQ

IUGZX666-1-49-30.0-B-21

Sensata Technologies – AirpaxIn Stock: 1067IUGZX666-1-49-30.0-B-21 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The IUGZX666-1-49-30.0-B-21 qualifies as a direct substitute based on the following critical parameters:

• Breaker Type: Both parts are magnetic hydraulic delay circuit breakers
• Current Rating: Both rated at 30A
• Number of Poles: Both are 3-pole configurations
• Actuator Type: Both feature rocker actuators
• Mounting Type: Both are panel mount designs
• Series Family: Both belong to the IUG series from Sensata Technologies
• Manufacturer: Both manufactured by Sensata Technologies (Airpax division)

The substitute part is manufacturer-recommended and maintains electrical and mechanical compatibility with the original specification.

Parameter Comparison

Engineering Selection Recommendations

The IUGZX666-1-49-30.0-B-21 is the manufacturer-recommended substitute for the obsolete IUGX666-1-49-30.0-B-21. Selection is based on:

• Product Status: The substitute is active and currently in production, ensuring long-term availability and supply chain continuity
• Compliance: The substitute is RoHS compliant, meeting current environmental and regulatory standards
• Electrical Specifications: Identical current rating, pole configuration, and breaker type ensure functional equivalence
• Mechanical Compatibility: Matching mounting type, actuator design, and form factor enable direct replacement in panel mount applications
• Classification: Both parts share identical ECCN and HTSUS codes, confirming regulatory alignment

Frequently Asked Questions (FAQ)

Q: Can the IUGZX666-1-49-30.0-B-21 directly replace the IUGX666-1-49-30.0-B-21 in existing installations?

A: Yes. Both parts share identical breaker type, current rating, pole configuration, actuator type, and mounting specifications. The substitute is manufacturer-recommended for this application.

Q: What is the primary reason for substitution?

A: The original part (IUGX666-1-49-30.0-B-21) is obsolete. The substitute (IUGZX666-1-49-30.0-B-21) is an active product with current manufacturing and availability.

Q: Are there voltage rating differences between the two parts?

A: The substitute specifies voltage ratings of 240 V AC and 80 V DC. The original part does not list voltage specifications in the provided data. Verify voltage compatibility with your application requirements.

Q: Does the substitute meet current environmental standards?

A: Yes. The IUGZX666-1-49-30.0-B-21 is RoHS compliant. The original part's RoHS status is not specified.

Q: Are the parts interchangeable from a regulatory perspective?

A: Yes. Both parts share identical ECCN (EAR99) and HTSUS (8536.20.0020) classifications.

Q: What is the moisture sensitivity level for both parts?

A: Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.