This manual explains the features, protection functions, installation, wiring diagrams and operation of the Mao Shu YB MS2301/MS2302/MS2310/MS2320 smart…
About this manual
The Mao Shu YB smart motor protection controller provides ten protection functions such as short‑circuit, overload, stall, phase‑loss/unbalance, over/under‑voltage, earth‑fault/zero‑sequence, leakage and anti‑voltage‑sag protection. It supports LCD display, two RS‑485 Modbus‑RTU ports and an optional DC4‑20 mA analog output.
The manual includes technical specifications, dimension data, installation methods, wiring diagrams for various startup modes, and operating instructions for start, stop, forward/reverse and emergency stop functions. This manual is written in Chinese.
What's inside
- Technical Index
- Installation & Dimension
- Protection Functions
- Wiring Diagrams
- Startup Modes
- Emergency Stop
- Specifications
- Operation Instructions
Specifications
| Rated working voltage | 380 V or 660 V, 50 Hz |
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| Rated current | up to 63 A (depending on model) |
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| Dimensions (all‑in‑one type) | 83 × 95 × 146 mm |
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| Analog output | DC4~20 mA (optional) |
Frequently asked questions
What are the physical dimensions of the controller?
The all‑in‑one type measures 83 mm × 95 mm × 146 mm.
Is an analog output provided?
An optional DC4~20 mA analog output is available.