US10C1030A IMO 10kA UL1077 MCB 1 pole 30A C Curve

US10C1030A IMO 10kA UL1077 MCB 1 pole 30A C Curve

SKU: US10C1030AMPN: US10C1030A
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Why Choose the IMO US10C1030A UL1077 Miniature Circuit Breaker?

The IMO US10C1030A is a compact and dependable UL1077 supplementary miniature circuit breaker (MCB) designed to protect industrial control circuits against overload and short circuit conditions. Manufactured by IMO Precision Controls, it provides reliable supplementary protection for machinery, automation equipment, OEM systems and electrical control panels.

Designed for panel builders, machine manufacturers and industrial maintenance engineers, the US10C1030A combines thermal-magnetic protection with a compact DIN rail mounted format. Its C curve tripping characteristic makes it particularly suitable for motors, transformers, contactors and other inductive loads that experience moderate inrush currents during start-up.

With a rated current of 30 A, a single-pole configuration and a 10 kA short circuit breaking capacity, the IMO US10C1030A delivers dependable circuit protection while helping minimise downtime and maintain the reliability of industrial electrical installations.

Key Advantages

  • Compact UL1077 supplementary protector for industrial control applications.
  • 30 A current rating suitable for machinery and automation systems.
  • 10 kA breaking capacity for dependable fault protection.
  • C curve tripping characteristic for moderate inrush current loads.
  • Quick installation on a standard 35 mm DIN rail.
  • Reliable thermal-magnetic overload and short circuit protection.

Key Features

  • IMO US10 UL1077 series.
  • 30 A rated current.
  • Single-pole (1P) configuration.
  • C curve tripping characteristic.
  • 10 kA short circuit breaking capacity.
  • Thermal-magnetic operating mechanism.
  • Clear contact position indicator.
  • DIN rail mounted design.
  • IP20 finger-safe terminals.

Reliable Protection for Industrial Control Circuits

The IMO US10C1030A automatically disconnects electrical circuits when overload or short circuit conditions occur, helping protect equipment from damage while improving operational safety. Its thermal-magnetic operating mechanism provides dependable performance in demanding industrial environments.

The compact modular housing enables easy installation into industrial control panels, while the C curve operating characteristic makes the breaker well suited to circuits supplying motors, transformers and other inductive equipment requiring higher start-up currents.

Typical Applications

  • Industrial control panels.
  • Machine building and OEM equipment.
  • Automation and process control systems.
  • Motor and transformer protection.
  • Electrical distribution within machinery.
  • Industrial manufacturing equipment.

Technical Specifications

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Certification UL 1077
Current 30 A
Phase Single Phase
Poles 1-pole
Device Type MCB
Trip Curve C curve
Breaking Capacity 10 kA
Manufacturer IMO Precision Controls
Series US10 UL1077 Miniature Circuit Breakers
Model US10C1030A
Product type UL1077 supplementary miniature circuit breaker
Rated current 30 A
Number of poles 1 Pole
Tripping characteristic C Curve
Rated voltage Up to 277 V AC
Frequency 50 / 60 Hz
Breaking capacity 10 kA
Protection rating IP20
Mounting type 35 mm DIN rail
Mechanical life Approx. 20,000 operations
Electrical life Approx. 6,000 operations
Dimensions (H × W × D) approx. 86.3 × 17.5 × 73.5 mm
Weight approx. 0.125 kg
HS Code 8536201090
Country of Manufacture India

Frequently Asked Questions

What is the IMO US10C1030A used for?

It provides supplementary overload and short circuit protection for industrial control panels, machinery and automation equipment.

What current rating does this circuit breaker have?

The IMO US10C1030A has a 30 A rated current.

What does the C curve tripping characteristic mean?

A C curve breaker is designed for circuits with moderate inrush currents, making it suitable for motors, transformers, contactors and other inductive industrial equipment.

How is the US10C1030A installed?

The breaker is designed for installation onto a standard 35 mm DIN rail inside industrial control panels and electrical enclosures.

Is the US10C1030A suitable as a branch circuit breaker?

No. It is a UL1077 supplementary protector intended for equipment protection and should be installed with the appropriate upstream branch circuit protection.

Trusted by Industrial Professionals Worldwide

IMO Precision Controls circuit protection products are trusted by machine builders, panel manufacturers and automation engineers for dependable electrical protection, robust construction and reliable long-term performance.