The ABB 1SDA038661R1 is a low‑voltage air circuit breaker (ACB) from ABB’s S5N series, designed for industrial and commercial electrical distribution systems. This breaker is configured as a three‑pole (3P) device rated for a 630 A continuous current with a PR211/L‑LI electronic protection trip unit. It offers adjustable protection against overloads and short‑circuit faults.

The ABB S7S1250 PR211/P‑LI FF 4P is a low‑voltage molded‑case circuit breaker (MCCB) designed for industrial and commercial electrical power distribution. It is built on ABB’s Isomax S7 frame, engineered to provide reliable protection and switching for three‑phase power systems with neutral (4‑pole), and a continuous rated current of 1250 A.

The ABB PR211/P-LI is a versatile, compact, and user-friendly overcurrent protection relay designed for low-voltage power systems. It belongs to the "Micrologic Core" family of electronic trip units for ABB's Emax 2 air circuit breakers (ACBs) and Tmax XT molded case circuit breakers (MCCBs).

The ABB BK15291 is a 3-pole, 1 A miniature circuit breaker from the BK/BKM Series. It is designed for domestic and commercial installations to provide reliable protection against overloads and short circuits.

The ABB MS495‑40 is a manual motor starter / motor protective circuit breaker designed for direct manual control and protection of electric motors in industrial and commercial applications. It provides manual switching ON/OFF of motors as well as overload, short‑circuit, and phase failure protection without the need for a separate fuse. The device incorporates a trip‑free mechanism and a clear rotary handle with position indication for ON / OFF / TRIP status, and the handle is lockable to prevent unauthorized operation. The MS495 series is suitable for use with three‑phase and single‑phase motors and is typically mounted on a standard DIN rail

The ABB T6N800 DC TMA800‑8000 4P FF is a low‑voltage molded case circuit breaker (MCCB) from ABB’s Tmax T6N series designed for electrical protection and switching in industrial and commercial power systems. It is rated for 800 A continuous current and features a thermal‑magnetic (TMA) trip unit providing combined overload and short‑circuit protection in a compact fixed frame.

The ABB PR122/P‑LSIG 1250 A is a low‑voltage air circuit breaker (ACB) from ABB’s Emax series, designed for use in industrial and commercial electrical distribution systems. It is rated for a continuous current of 1250 A and features the PR122/P‑LSIG electronic protection trip unit, which offers adjustable long‑time (overload), short‑time, instantaneous, and earth‑fault protection.

The ABB 2CDS274001R0164 is a 4‑pole miniature circuit breaker (MCB) from ABB’s System Pro M Compact S200M series. It is designed to provide overload and short‑circuit protection for electrical circuits in residential, commercial, and light industrial installations. The breaker uses a thermal‑magnetic trip mechanism to protect wiring and connected equipment by automatically disconnecting the circuit when an overcurrent or short‑circuit condition occurs.

The ABB 5S4000 R4000 AR1/LI WMP 3P NST is a low‑voltage air circuit breaker (ACB) designed for heavy‑duty electrical distribution and protection in industrial and commercial power systems. It belongs to ABB’s 5S series, supporting a continuous rated current of 4000 A in a three‑pole (3P) configuration. The breaker is built with a withdrawable moving part (WMP) format, enabling easy insertion and removal from compatible switchgear frames for maintenance and operation.

The ABB E1N1250R1250 PR122/P‑LSIG is a low‑voltage air circuit breaker (ACB) from ABB’s SACE Emax E1N series, rated for a continuous current of 1250 A. It features the PR122/P‑LSIG electronic trip unit, offering adjustable protection functions including long‑time (overload), short‑time, instantaneous, and earth‑fault releases.