This document is a supplement to the Baldor Installation and Operation Manual MN408. MN408 contains general procedures that apply to NEMA/IEC type Baldor Motor products (hereinafter referred to as
This document serves as a supplement to the Baldor Installation and Operation Manual MN408, providing specific procedures for NEMA/IEC type Baldor Motor products designed for hazardous environments. It outlines general information regarding safety notices, receiving, storage, and preparation of the motors.
The manual details installation and operation instructions, including mounting methods (frame holes, doweling), connection of AC power supplies and additional devices, rotation control options, and lubrication procedures. It also covers start-up protocols for first-time and coupled operations.
| Explosion Protection Marking (Group I) | Ex d | Mb X |
|---|---|
| Explosion Protection Marking (Group II) | Ex d IIB Gb T3...T4...T5 X |
| Explosion Protection Marking (Group III) | Ex III C T100°C ... T200°C Db X IP6X |
| Ambient Temperature Range | -20 ... +65°C |
| Maximum Supply Voltage | 7200 V AC |
Users must understand the WARNING and Caution statements in this manual, as well as specific application area documents like GOST R IEC 60079-0:2007.
Group I motors are used in underground coal mines and pits hazardous for firedamp and/or combustible dust.
The maximum AC supply voltage is 7200 V, which can be supplied directly from an electrical outlet or via an inverter.