UPL1-1-72-203 Equivalent & Substitute Parts

Part Overview

The UPL1-1-72-203 is a single-pole circuit breaker with magnetic hydraulic delay protection, rated for 20A at 250V AC and 65V DC. This component is designed for panel mount applications with lever actuation. The part is currently classified as obsolete, making identification of equivalent alternatives necessary for system maintenance and component replacement in existing installations.

Substiute Parts

UPL1-1-72-203

Sensata-AirpaxIn Stock: 843UPL1-1-72-203 Datasheet

Current PartRFQ

UPGN6-34558-4

Sensata-AirpaxIn Stock: 950UPGN6-34558-4 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the UPL1-1-72-203 is determined by strict equivalence across the following electrical and mechanical parameters:

• Current Rating: 20A
• Voltage Rating - AC: 250V
• Voltage Rating - DC: 65V
• Breaker Type: Magnetic (Hydraulic Delay)
• Mounting Type: Panel Mount
• Actuator Type: Lever
• Number of Poles: 1

The UPGN6-34558-4 meets all specified parameters and is classified as an active product, providing a direct parametric equivalent for applications requiring replacement of the obsolete UPL1-1-72-203.

Parameter Comparison

Engineering Selection Recommendations

The UPGN6-34558-4 is the appropriate substitute for the UPL1-1-72-203 based on the following factors:

• All electrical parameters (current, voltage AC/DC ratings) are identical
• Mechanical specifications (mounting type, actuator type, pole configuration) are identical
• Breaker protection type and delay characteristics are identical
• The substitute part is classified as active product status, ensuring ongoing availability and support
• Both parts share identical export classification (EAR99) and tariff codes (8536.20.0020)
• The substitute part carries RoHS Compliant certification, providing enhanced environmental compliance

Frequently Asked Questions (FAQ)

Q: Can UPGN6-34558-4 be used as a direct replacement for UPL1-1-72-203?

A: Yes. Both parts are identical in all critical electrical and mechanical parameters: 20A current rating, 250V AC / 65V DC voltage ratings, magnetic hydraulic delay protection, panel mount configuration, and single-pole lever actuation.

Q: What is the difference between these two part numbers?

A: The primary difference is product status. UPL1-1-72-203 is obsolete, while UPGN6-34558-4 is active. Both are manufactured by Sensata-Airpax and share identical functional specifications.

Q: Are there any compliance differences between the two parts?

A: Both parts carry the same export classification (EAR99) and tariff code (8536.20.0020). The substitute part includes RoHS Compliant certification, which the original part does not specify.

Q: Will the UPGN6-34558-4 fit in the same panel mount location?

A: Yes. Both parts have identical mounting type specifications (panel mount) and identical actuator configuration (lever), ensuring mechanical compatibility in existing installations.

Q: What is the inventory status for the substitute part?

A: UPGN6-34558-4 has 901 pieces in stock as new original inventory.