The ABB 1000 A motorized MCCB is a robust industrial circuit breaker, ideal for high-demand power distribution. With full remote control capability, programmable trip settings, and high fault tolerance, it supports demanding applications in manufacturing, utilities, and marine environments. The included accessories enhance monitoring, safety, and user flexibility.
Here’s a comprehensive overview of the ABB 1000 A motorized MCCB (e.g. T7S/PR221 DS‑LS/I) with its accessories, features, and specifications:
Accessories Included
Motorized operating mechanism for remote ON/OFF control
Solid-state (electronic) release PR221 DS‑LS/I enabling adjustable long‑time, short‑time, and instantaneous protection
Front-mounted terminals or optional rear connections
Optional accessories: auxiliary/alarm contacts, shunt-trip, under‑voltage trip, padlock kit, and door‑mounted handle unit
Key Features
High capacity: Rated 1000 A with a breaking capacity of up to 85 kA at 220 V AC (models vary)
4‑pole configuration supporting full three‑phase plus neutral (or 3‑pole variants exist)
Voltage rating: 690 V AC / 50 Hz operation
Trip unit type: Thermal‑magnetic with electronic/LI option for precise protection
Stored energy mechanism ensures reliable switching and compact footprint
250Amps 3 Pole MCCB Chint NXM Molded Case Circuit Breaker 




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