P1MBUH3PC04 – MINIATURE CIRCUIT BREAKER 3P CURVE C 4A UL489
Lovato P1MBUH3PC04 three-pole miniature circuit breaker with a 4 A rating, Type C tripping characteristic, 10 kA breaking capacity and compact three-module DIN rail design.
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Why Choose the Lovato P1MBUH3PC04 Miniature Circuit Breaker?
The Lovato P1MBUH3PC04 is a dependable three-pole miniature circuit breaker (MCB) designed to protect electrical circuits against overloads and short circuits. As part of the Lovato Electric P1MB modular circuit protection range, it provides reliable thermal magnetic protection for industrial machinery, automation equipment, electrical control panels and three-phase distribution systems.
This miniature circuit breaker combines a 4 A rated current, Type C tripping characteristic and a high 10 kA short-circuit breaking capacity. The Type C response accommodates moderate temporary inrush currents, making the P1MBUH3PC04 suitable for control transformers, power supplies, contactors, instrumentation and auxiliary equipment.
The P1MBUH3PC04 features a three-pole configuration, allowing all three connected conductors to be disconnected simultaneously. It occupies three DIN modules and mounts onto a standard 35 mm DIN rail. Compliance with UL 489 and IEC/EN 60947-2 supports its use in internationally specified machinery, panel-building and industrial electrical applications.
Key Advantages
Dependable overload and short-circuit protection.
4 A rated current for low-current three-phase circuits.
Three-pole switching disconnects all three conductors simultaneously.
Type C tripping characteristic accommodates moderate inrush currents.
High 10 kA short-circuit breaking capacity.
Conforms to UL 489 and IEC/EN 60947-2.
Key Features
Lovato Electric P1MB series.
Three-pole (3P) configuration.
4 A nominal current rating.
Type C tripping curve.
10 kA short-circuit breaking capacity.
400 V AC rated operational voltage.
125 V DC rated operational voltage.
Compact three-module DIN rail design.
Reliable Three-Phase Circuit Protection
Miniature circuit breakers automatically disconnect an electrical circuit when excessive current is detected. This helps protect conductors, control components and connected equipment from damage caused by sustained overload conditions or short-circuit faults.
The Type C operating characteristic of the Lovato P1MBUH3PC04 permits moderate temporary inrush currents while maintaining dependable fault protection. Its three-pole construction is particularly suitable for installations requiring simultaneous isolation and protection of all three phases.
Typical Applications
Industrial automation and control panels.
Low-current three-phase control circuits.
Control transformer protection.
Power supplies and instrumentation systems.
Contactors, relays and auxiliary equipment.
OEM machinery and production equipment.
Commercial and industrial distribution boards.
Technical Specifications
Current
4 A
Phase
Three Phase
Manufacturer
Lovato Electric
Series
P1MB
Model
P1MBUH3PC04
Product type
Miniature circuit breaker
Number of poles
3P
Number of DIN modules
3
Rated current
4 A
Tripping characteristic
Type C
Short-circuit breaking capacity
10 kA
Rated operational voltage (AC)
Up to 400 V AC
UL voltage rating
480Y/277 V AC
Rated operational voltage (DC)
Up to 125 V DC
Rated frequency
50 / 60 Hz
Operating mechanism
Thermal magnetic
Protection rating
IP20
Mechanical endurance
20,000 cycles
Conductor connection range
1 to 35 mm²
Operating temperature
-40 °C to +70 °C
Mounting type
35 mm DIN rail
Conformity
UL 489 and IEC/EN 60947-2
Weight
Approx. 388 g
GTIN
8013975221037
HS Code
85362010
Frequently Asked Questions
What is the Lovato P1MBUH3PC04 used for?
The P1MBUH3PC04 protects low-current three-phase electrical circuits against overloads and short circuits in industrial machinery, control panels and distribution systems.
What is the rated current of this circuit breaker?
The Lovato P1MBUH3PC04 has a nominal current rating of 4 A.
How many poles does the P1MBUH3PC04 have?
It is a three-pole miniature circuit breaker, allowing all three connected conductors to be disconnected simultaneously.
What does the Type C tripping characteristic mean?
A Type C characteristic accommodates moderate temporary inrush currents, making the breaker suitable for transformers, power supplies, contactors and industrial control equipment.
What is the breaking capacity of the P1MBUH3PC04?
The miniature circuit breaker provides a 10 kA short-circuit breaking capacity.
How is the P1MBUH3PC04 installed?
The breaker mounts onto a standard 35 mm DIN rail and occupies three DIN modules inside the electrical enclosure.
Trusted Industrial Circuit Protection
Lovato Electric miniature circuit breakers are used by panel builders, machine manufacturers and electrical engineers to provide dependable protection within industrial automation, machinery and electrical distribution applications.
Current
4 A
Phase
Three Phase
Manufacturer
Lovato Electric
Series
P1MB
Model
P1MBUH3PC04
Product type
Miniature circuit breaker
Number of poles
3P
Number of DIN modules
3
Rated current
4 A
Tripping characteristic
Type C
Short-circuit breaking capacity
10 kA
Rated operational voltage (AC)
Up to 400 V AC
UL voltage rating
480Y/277 V AC
Rated operational voltage (DC)
Up to 125 V DC
Rated frequency
50 / 60 Hz
Operating mechanism
Thermal magnetic
Protection rating
IP20
Mechanical endurance
20,000 cycles
Conductor connection range
1 to 35 mm²
Operating temperature
-40 °C to +70 °C
Mounting type
35 mm DIN rail
Conformity
UL 489 and IEC/EN 60947-2
Weight
Approx. 388 g
GTIN
8013975221037
HS Code
85362010
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...