SACE-PR111/P SACEPR111P protection unit

Overview

Place of Origin:	Sweden
Brand Name:	ABB
Model Number:	SACE-PR111/P  SACEPR111P
Packaging Details:	Original new Factory Sealed
Delivery Time:	5-7 days
Payment Terms:	T/T
Supply Ability:	In stock

Specifications

Description

The ABB SACE-PR111/P SACEPR111P is a high-performance self-supplied protection unit with protection, watchdog, and test functions. As a core component of industrial power distribution systems, it utilizes advanced microprocessor technology to achieve real-time monitoring and intelligent protection of power circuits. This device plays a crucial role in ensuring system stability and electrical safety in harsh industrial environments. With its superior reliability and modular design, it has become an ideal solution for improving power distribution safety and facilitating maintenance in automated production.

Applications

Steel mill: Protects high-power motor drives and circuits under high heat loads.

Chemical plant: Maintains the accuracy of protection logic in environments with electromagnetic interference.

Paper mill: Provides main circuit breaker protection for the production line's power distribution center.

Power plant: Ensures overcurrent and short-circuit safety for the plant's auxiliary power system.

Cement plant: Provides circuit protection for heavy-load startup and complex operating conditions.

Protection functions

The SACE-PR111/P SACEPR111P carries out 5 independent protection functions. In particular:

1. Protection against overload with inverse long time-delay “L”;

2. Protection against short circuit with adjustable delay “S”;

3. Protection against instantaneous short circuit “I”;

4. Protection against ground fault with adjustable delay “G”;

5. Protection a fixed threshold against instantaneous short circuit “Iinst”

FAQ

Q: Does this protection unit SACE-PR111/P SACEPR111P have requirements regarding grid frequency fluctuations?
A: Supports 50/60 Hz wideband with ±10% offset, maintaining accurate protection even under unstable grid conditions like remote sites or standby generators.

Q: Why is the 600 Hz passband emphasized in SACE-PR111/P SACEPR111P?
A: It reduces harmonic interference. The 600 Hz limit handles low-order harmonics and, with a 2.1 peak factor, avoids false tripping under distorted waveforms.

Q: What is the expected lifespan of SACE-PR111/P SACEPR111P?
A: Designed for long life, with MTBF up to 15 years at 45°C, reducing maintenance and replacement costs in industrial use.

Q: Can SACE-PR111/P SACEPR111P be installed in harsh environments?
A: Yes. It operates from -25°C to +70°C and up to 98% humidity. With IP30 enclosure installation, it suits demanding industrial conditions.

Q: Why is the storage temperature wider for SACE-PR111/P SACEPR111P?
A: To support logistics and spares. Storage range of -40°C to +90°C ensures safe transport and warehouse storage without performance loss.