Ex-protected three-phase motors

from 0.12 to 200 kW

Krauter Ex motors with cast iron housing are explosion-proof and suitable for increased safety "e" (Ex e IIC), flameproof enclosure "d" (Ex de IIC), non-sparking "n" (Ex nA IIC) and dust explosion protection "t" (Ex tb IIIC, Ex tc IIIB)

Flameproof cast iron motors
Power range 0.12 ÷ 200 kW
Speed 750, 1000, 1500, 3000 rpm
Sizes 63 ÷ 315

• According to IEC-EN 60079-0, 60079-1, 60079-7 Ex-d, Ex-de
• standard sizes 63 ÷ 315
• ATEX category 1M2, 2G, 2GD Group I (mining), IIB, IICT
• Temperature classes T3, T4, T5, T6 According to IEC-EN 61241-0, 61241-1 A21 - tD 
• Maximum surface temperature [°C] T150, T135, T100, T85
• Ingress protection IP55, IP65 Incompliance with IEC 60034-1,5,6,7,8,9,12,14, IEC 60072
• standard Power range 0.12 ÷ 200 kW
• Three-phase motors, 1 or 2 speed
• single-phase motors (sizes 63÷100)

Options:

Brakes:

AC disc brake or DC disc brake
Mechanical manual brake release
Inverted brake function (sizes 71÷100)

Cooling:

Self-ventilated (IC411)
Forced ventilation (IC416)

Electrical options:

Voltage and frequency according to customer requirements
Bimetallic thermal protection, PTC or PT 100 temperature sensors
Single-phase motors with running capacitor
Single-phase motors with centrifugal switch
Encoder (100 ÷ 10 000 ppr)
Bearing sensor (sizes 63 ÷100, 64 or 96 ppr)

Mechanical options:

IP 56, IP 65, IP 66 protection
Flanges and shafts in special version
Without terminal box (with loose strands)
Side terminal box
Backstop, fixed bearing or special bearing
SPM - vibration measurement
Stop heating

Certifications:

Approvals by CESI, LCIE, IECEx, CCOE, GOST, SABS
In accordance with the regulations for ship design: American Bureau of Shipping, Bureau Veritas, Det Norske Veritas, Germanischer Lloyd, Korean Register of Shipping, Lloyd Register of Shipping, RI.N.A.

Application areas:

Ex motors supplied by Krauter are used wherever safety against explosions or fire caused by flammable gases, dusts or liquids must be guaranteed. Krauter ex-motors are therefore working among others in:

• the chemical industry
• the petrochemical industry
• the pharmaceutical industry
• the printing industry
• refineries
• thermal power stations
• mines
• oil platforms
• Pipelines
• Gas pipelines
• Ships
• Processing industry
• Off-shore production platforms
• Shipyards

They are also used by plant and equipment manufacturers for:

• the fume extraction systems
• waste collection and treatment
• grain, rice and sugar processing