1sda061655r1  t6n 800 ul csa pr221ds lsi 600 3 pole abb mccb

1sda061655r1 t6n 800 ul csa pr221ds lsi 600 3 pole abb mccb

ABB 1SDA061655R1 Tmax T6N 800 UL/CSA moulded case circuit breaker with PR221DS-LS/I electronic trip unit, 600 A rated current, three-pole fixed construction and front terminals for low voltage power distribution.

SKU: 1SDA061655R1Alt SKU: T6N 800 UL/CSA PR221DS-LS/I 600 3p F FMPN: 1SDA061655R1
Price on application Contact us for pricing and availability.
Call 01708 343600

Why Choose the ABB 1SDA061655R1 Tmax T6N 800 MCCB?

The ABB 1SDA061655R1 is a high-performance Tmax T6N moulded case circuit breaker (MCCB) designed for dependable protection in industrial and commercial low voltage power distribution systems. As part of the proven ABB Tmax T series, this fixed three-pole circuit breaker provides reliable protection for switchboards, distribution panels and OEM electrical equipment.

This model is fitted with a PR221DS-LS/I solid-state electronic trip unit, providing accurate overload and short-circuit protection for AC applications. The electronic release supports long-time, short-time and instantaneous protection functions, helping improve system coordination and fault management in demanding electrical installations.

With a 600 A rated current, 800 A frame size, three-pole fixed construction and front terminal connections, the ABB 1SDA061655R1 is well suited to industrial switchgear, main distribution boards, machinery panels and export equipment requiring UL and CSA compliance.

Key Advantages

  • Reliable ABB Tmax T6N moulded case circuit breaker.
  • 600 A rated current within an 800 A frame size.
  • Three-pole fixed construction for industrial power distribution.
  • PR221DS-LS/I electronic trip unit for adjustable protection.
  • Front terminal design for straightforward panel installation.
  • UL and CSA approved for North American applications.
  • Designed for overload and short-circuit protection in AC systems.

Key Features

  • ABB Tmax T Series.
  • T6N 800 frame size.
  • 600 A rated current.
  • Three-pole MCCB.
  • PR221DS-LS/I solid-state release.
  • Long-time, short-time and instantaneous protection functions.
  • Rated operational voltage up to 600 V AC.
  • Fixed breaker with front terminal connections.

Reliable Protection for Industrial Electrical Systems

Moulded case circuit breakers such as the ABB Tmax T6N are used to protect low voltage electrical installations from overloads and short-circuit faults. By disconnecting faulty circuits quickly and reliably, they help protect cables, switchgear and connected equipment while supporting safe system operation.

The PR221DS-LS/I electronic trip unit provides accurate protection adjustment for coordinated distribution systems. This makes the ABB 1SDA061655R1 suitable for industrial switchboards, machinery panels, OEM equipment and installations where dependable UL and CSA approved circuit protection is required.

Typical Applications

  • Industrial switchboards and panel boards.
  • Main low voltage distribution boards.
  • Motor control centres.
  • OEM machinery and equipment panels.
  • Generator and transformer protection.
  • Commercial building power distribution.
  • Manufacturing and process plants.
  • Export equipment requiring UL and CSA approvals.

Technical Specifications

Tick the specs you need, then view products that match.

Current 600 A
Phase Three Phase
Poles 3-pole
Device Type MCCB
Trip Unit Electronic
Manufacturer ABB
Series Tmax T
Model T6N 800 UL/CSA PR221DS-LS/I
SKU 1SDA061655R1
EAN 8015644641924
Product type Moulded Case Circuit Breaker (MCCB)
Frame size T6 800
Rated current 600 A
Rated uninterrupted current 800 A
Number of poles 3P
Rated operational voltage 600 V AC
Rated insulation voltage 1000 V
Rated impulse withstand voltage 8 kV
Trip unit PR221DS-LS/I
Release type Electronic / solid-state
Terminal connection Front terminals
Mounting type Fixed installation
Mechanical durability 20,000 operating cycles
Protection rating IP20
Dimensions (H × W × D) 268 × 210 × 103.5 mm
Weight approx. 9.5 kg

Frequently Asked Questions

What is the ABB 1SDA061655R1 used for?

The ABB 1SDA061655R1 is used to protect industrial and commercial low voltage electrical distribution systems against overloads and short-circuit faults.

What is the rated current of this MCCB?

This circuit breaker has a 600 A rated current within an 800 A frame size.

What trip unit is fitted to the ABB 1SDA061655R1?

The breaker is fitted with a PR221DS-LS/I solid-state electronic trip unit for long-time, short-time and instantaneous protection.

How many poles does this circuit breaker have?

The ABB 1SDA061655R1 is a three-pole moulded case circuit breaker for three-phase electrical systems.

Is this MCCB suitable for UL and CSA applications?

Yes, this model is designed for installations requiring UL and CSA approved circuit protection.

Trusted by Electrical Engineers Worldwide

ABB Tmax moulded case circuit breakers are trusted by panel builders, contractors and electrical engineers worldwide for reliable circuit protection, flexible electronic trip technology and dependable performance in demanding low voltage power distribution systems.