IEC Metric AC Motors - Improved Safety ATEX Ex

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2G/2D Zone 1-21 ATEX IEC Metric Motors
Explosive Atmosphere: Guidelines
Directive 94/9/EC - Equipment and protective systems intended for use in potentially explosive atmospheres.
Group	Flammable Materials	Explosive Atmosphere	Protection Level	Category	Zone
I - Mines & Surface Installations	Firedamp, methane, carbon dust	Continuously Present	Very High	M1	-
		Likely to occur in normal operation	High	M2	-
II Surface industries & other sites	Gas, Vapors, Dusts	Constantly present or present for long periods.	Very High	1G	0 Gas
				1D	20 Dust
		Likely to occur in normal operation.	High	2G	1 Gas
				2D	21 Dust
		Occasional presence only for a limited amount of time.	Normal	3G	2 Gas
				3D	22 Dust
		Not suited - non ATEX Ex Motor	None	-	-
				-	-

Temperature Classes			TNSA	3 Phase IEC Metric Motors for Increased Safety	ATEX 1/21 2G/2D
Maximum Surface temperature °C			TN	3 Phase IEC Metric Motors for Normal Safety	ATEX 2/22 3G/3D
T1	450 °C		MNSA	1 Phase IEC Metric Motors for Increased Safety	ATEX 1/21 2G/2D
T2	300 °C		MN	1 Phase IEC Metric Motors for Normal Safety	ATEX 2/22 3G/3D
T3	200 °C		Ingress Protection (IP) Standard for ..SA Series is IP65. IP Classifications click
T4	135 °C		For selection assistance, please contact TVT-America engineering department at extension 107. TVT also offers ATEX rated Speed Reducers and Variable Speed Drives.
T5	100 °C
T6	85 °C


TVT's standard IEC-metric motor is designed and certified to ATEX protection class 2-22 3G/3D and Ingress Protection IP55 for our customers safety and peace of mind. For hazardous locations and applications where an even higher degree of explosion proof design and certification is required we now offer the TNSA for ATEX Class 1/21 2D/2G.

		56A to 355LB frame sizes. B3, B5, B14, B3/B5, B3/B14 standard. 230-400V 50/60hz, 230/460V 50/60hz 0.07 to 430 hp (0.05 to 315kw) 2, 4, 6, & 8 pole standard. Reduced size output flanges available B14, B5 Encoders for closed loop vector or servo optional. CL-F standard, CL-H optional. Double Output Shaft optional Special voltage ratings available. Thermal protection optional. Tropical proof winding optional. SINGLE PHASE AVAILABLE (Ex d).
	Our TNSA motors are IE2 "High Efficiency" or better. Equal or superior to EPAct minimum efficiency levels. Housings & End covers of high strength vacuum die-cast aluminum. Cooling fans are bi-directional of high impact engineered plastics Fan shrouds in polyester epoxy powder painted RAL Blue, or Zinc Plated steel. Dimensions & Construction conforming strictly to IEC, UNEL, & CEI specifications. Wire is double coated Essex Class H grade as standard. Insulation Class F with no extra charge, Class H insulation (180 C) optional. High quality screw-down clamp terminal strip within die-cast two-piece terminal box. Phase separators standard. Magnetic Metal sheets standard Suitable for 50 or 60 hz operation. NSK or SKF Electric Motor Quality ISO bearings. UNI EN ISO 9001:2000 production. ATEX 94/9 CE Zone 2-22 UL 1004 Certificate - CSA C22.2 NR. 100-95 IP 55 (protection from dust, protection from water nozel of any direction) standard. IP-66 or 67 available upon request. 100% Italian design & manufacture - No extra cost, it is our passion.

Standards Referenced
Title	EU CENELEC	International IEC
Rotating electrical machines	EN 60034-1	IEC 60034-1
Part 1: Rating and Performance	EN 60034-1	IEC 60034-1
Part 2-1: Standard methods for determining losses and efficiency from tests.	EN 60034-2	IEC 60034-2
Part 5: Degrees of protection provided by the internal design of rotating electrical machines (IP code) Classification.	EN 60034-5	IEC 60034-5
Part 6: Methonds of cooling (IC Code).	EN 60034-6	IEC 60034-6
Part 7: Classification of types of construction, mounting arrangements and terminal box position (IM Code).	EN 60034-7	IEC 60034-7
Part 9: Noise Limits	EN 60034-9	IEC 60034-9
Part 12: Starting performance of single-speed three-phase cage induction motors.	EN 60034-12	IEC 60034-12
Part 14: Mechanical vibration of certain machines with shaft heights 56mm and higher. measurement, evaluation and limites of vibration severity.	EN 60034-14	IEC 60034-14
General purpose three-phase induction motors having standard dimensions and outputs. Frame numbers 56 to 315 and flanges numbers 65 to 740.	EN 50347	IEC 60072-1
Degrees of protection provided by enclosures (IP Code)	EN 60259	IEC 60529
Electrical apparatus for explosive gas atmospheres.	EN 60079-0	IEC 60079-0
Part 0: General Requirements	EN 60079-0	IEC 60079-0
Part 1: Flameproof enclosures "d"	EN 60079-1	IEC 60079-1
Part 7: Increased safety "e"	EN 60079-7	IEC 60079-7
Explosive atmospheres	EN 60069-31	IEC 60079-31
Part 31: Equipment dust ignition protection by enclosure "t"	EN 60069-31	IEC 60079-31

	Documentation TNSA Series
Click Catalog Selection for PDF	TNSA Catalog	1.1Kb
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