2CDS382001R0488 ABB S302P-Z20 Miniature Circuit Breaker - 2P - Z - 20 A

2CDS382001R0488 ABB S302P-Z20 Miniature Circuit Breaker – 2P – Z – 20 A

ABB S302P-Z20 2-pole miniature circuit breaker with a 20 A rated current, Type Z tripping characteristic and 25 kA breaking capacity for sensitive industrial and electronic circuit protection.

SKU: 2CDS382001R0488Alt SKU: S302P-Z20MPN: 2CDS382001R0488
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List Price £118.68 ex VAT
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Manufacturer Lead Time Estimated Delivery 14 weeks
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Why Choose the ABB S302P-Z20 Miniature Circuit Breaker?

The ABB S302P-Z20 (Product ID: 2CDS382001R0488) is a premium 2-pole miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial and commercial electrical installations. As part of the renowned ABB System pro M compact S300P series, it delivers exceptional reliability, high breaking capacity and long service life for demanding applications.

Featuring a Type Z tripping characteristic, the S302P-Z20 is specifically engineered for highly sensitive electrical and electronic circuits requiring extremely fast magnetic tripping. It is ideally suited to protecting PLCs, instrumentation, semiconductor devices, measuring equipment and other sensitive control systems where rapid fault clearance is essential.

With a rated current of 20 A, a 2-pole configuration and a 25 kA short-circuit breaking capacity, the ABB S302P-Z20 provides outstanding protection for industrial control panels, automation systems, OEM machinery and electrical distribution boards. It is designed for DIN rail installation and complies with major international standards for industrial circuit protection.

Key Advantages

  • Industrial-grade 2-pole miniature circuit breaker.
  • 20 A rated current for dependable circuit protection.
  • Type Z tripping characteristic for highly sensitive electronic circuits.
  • 25 kA short-circuit breaking capacity for demanding industrial applications.
  • Compact DIN rail mounting for quick installation.
  • Manufactured to IEC, EN and UL standards.

Key Features

  • ABB System pro M compact S300P series.
  • 20 A rated current.
  • 2-pole protected configuration.
  • Type Z tripping characteristic.
  • Rated operational voltage up to 415 V AC / 125 V DC.
  • 25 kA ultimate breaking capacity at 400 V AC.
  • 50 / 60 Hz operation.
  • DIN rail mounting with robust screw terminals.

Reliable Protection for Sensitive Electrical Systems

The ABB S302P-Z20 automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, helping protect wiring, instrumentation and sensitive electronic equipment from costly damage while improving safety and reducing downtime.

Its Type Z tripping characteristic provides extremely fast magnetic tripping at relatively low fault currents, making it ideal for protecting PLCs, electronic controllers, semiconductor devices and measurement equipment where rapid fault isolation is essential.

Typical Applications

  • PLC and automation control panels.
  • Industrial instrumentation systems.
  • Electronic control equipment.
  • Semiconductor protection.
  • OEM machinery.
  • Industrial and commercial distribution boards.

Technical Specifications

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Current 20 A
Poles 2-pole
Device Type MCB
Trip Curve Z curve
Breaking Capacity 25 kA
Manufacturer ABB
Series System pro M compact S300P
Model S302P-Z20
Product ID 2CDS382001R0488
EAN 4016779078504
Product type Miniature circuit breaker (MCB)
Rated current 20 A
Number of poles 2
Number of protected poles 2
Tripping characteristic Type Z
Rated operational voltage Up to 415 V AC / 125 V DC
Rated insulation voltage 500 V
Rated impulse withstand voltage 6 kV
Ultimate short-circuit breaking capacity (Icu) 25 kA at 400/415 V AC
Rated breaking capacity (Icn) 25 kA at 400 V AC
Frequency 50 / 60 Hz
Protection rating IP20 (IP40 when installed in an enclosure)
Overvoltage category IV
Pollution degree 3
Mounting type DIN rail
Terminal type Screw terminals
Connecting conductor size 0.75–35 mm² (solid)
Dimensions (H × W × D) 88 × 35 × 69 mm
Weight Approx. 248 g
HS Code 85362010
Country of Manufacture Germany

Frequently Asked Questions

What is the ABB S302P-Z20 used for?

The ABB S302P-Z20 protects sensitive industrial and commercial electrical circuits against overloads and short circuits, particularly electronic control systems, PLCs and instrumentation.

What is the rated current of this circuit breaker?

The ABB S302P-Z20 has a rated current of 20 A.

What does the Type Z tripping characteristic mean?

Type Z breakers provide extremely fast magnetic tripping, making them ideal for protecting sensitive electronic equipment, PLCs, instrumentation and semiconductor devices.

What is the breaking capacity of the S302P-Z20?

The breaker provides an ultimate short-circuit breaking capacity of up to 25 kA at 400/415 V AC.

How is the ABB S302P-Z20 installed?

The circuit breaker is designed for installation onto a standard DIN rail inside industrial control panels, switchboards and electrical distribution boards.

Trusted by Electrical Professionals Worldwide

ABB System pro M compact miniature circuit breakers are trusted worldwide by electrical engineers, panel builders and OEM manufacturers for delivering dependable circuit protection, high breaking capacity and long-term operational reliability.