Skip to main content

EXPLOSION – PROOF
MOTORS

EXPLOSION – PROOF
MOTORS

SPECIAL MOTORS

LEN-LEX Series

Explosion Proof Motors
by Euromotori
TECHNICAL DATA

LEX series motors:

Ex nA II T3 IP65 II 3G — Zone 2

Ex tD A21 IP65 T135°C II 2D — Zone 21

LEN series motors:

Ex tD A22 IP55 T155°C II 3D — Zone 22

INTRODUCTION

The European Directive 94/9/EC (ATEX) defines the following hazardous areas:

  • Gas atmospheres: Zone 0, Zone 1, and Zone 2
  • Dust atmospheres: Zone 20, Zone 21, and Zone 22

Our LEX and LEN series motors are certified and qualified for installation in these hazardous environments as follows:

LEX series

  • Type of enclosure:
    • Ex nA II T3 IP65 II 3G
    • Ex tD A21 IP65 T135°C II 2D
  • Areas of use: Zone 2, Zone 21, Zone 22
  • Certification: No. ICEPI 07 ATEX 03C009
  • Certifying authority: ICEPI Institute, Piacenza, Italy — Notified Body No. 0066

LEN series

  • Type of enclosure:
    • Ex tD A22 IP55 T155°C II 3D
  • Area of use: Zone 22
  • Certification: Self-certified according to ATEX standards

GENERAL CHARACTERISTICS

The LEX and LEN series motors are designed and manufactured to comply with ATEX requirements for hazardous environments, ensuring maximum safety and reliability under specified service conditions.

CONSTRUCTION CHARACTERISTICS

All LEX and LEN series motors feature:

  • Housing: Cast iron
  • End shields: Cast iron
  • Terminal box: Cast iron, rotatable by 90°
  • Fan:
    • Polyethylene for frame sizes 80 to 280
    • Aluminum for frame sizes 315 and 355
  • Fan cover: Pressed steel for all sizes

STANDARD SPECIFICATIONS

  • LEX series motors: IP65 mechanical degree of protection
  • LEN series motors: IP55 mechanical degree of protection