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Explosion-proof electric motor 2AIU280-355 – NVP NKEMZ, OOO (Novokahovskij elektromashinostroitelnyj zavod) | all.biz
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Explosion-proof electric motor 2AIU280-355

Explosion-proof electric motor 2AIU280-355

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Technical characteristics
  • BrandНПВ НКЕМЗ
  • Country of manufactureUkraine
Description
Explosion-proof electric motor 2AIU280-355

Electric motors asynchronous explosion-proof 2AIMM with a short-circuited rotor are intended for a long operating mode from the alternating current main of frequency of 50 and 60 Hz of 220/380 V and 380/660 B in explosive productions chemical, gas, oil processing and other allied industries of the industry in which education explosive Paro - and air-gas mixes of the category IIA, IIB of T1,t2,t3,t4 groups is possible.
Electric motors asynchronous explosion-proof 2AIU with a short-circuited rotor are intended for a long operating mode from the alternating current main of frequency of 50 and 60 Hz of 380/660 V both 660/1140 B in underground and elevated developments of the coal mines and mines dangerous on methane and coal dust.
Engines 2AIU280-355 can be manufactured with the device of the alarm system of vibrospeed and temperature of USVT TU U31.6-32832237-009:2007.
USVT provides the alarm system of temperature of an external surface of a cover of the engine, temperature of a winding of the stator, temperature of bearing knots, vibrations of bearing knots.
Execution of electric motors on a way of installation IM1001 (on paws), IM2001 (a flange, paws), IM3011 (flange) according to GOST 2479 and MEK 60034-7. In coordination of the manufacturer with the consumer electric motors are manufactured also with other executions on a way of installation according to GOST 2479 and MEK 60034-7.
Electric motors are manufactured by two options of a binding of power to the adjusting and connecting sizes:
2AIMM315, 2AIMM355; 2AIU315 S,M, 2AIU355 S,M - with a power binding to the adjusting and connecting sizes in accordance with GOST P 51689-2000.
2AIMM280MX,MY; 2AIMM315 MX,MY; 2AIU280 MX,MY; 2AIU315 MX,MY - with decrease in height of an axis of rotation on one step.
Electric motors are reversive.
Launch of electric motors of a straight line, is provided both with a rated voltage of a network, and at undervoltage of a network during start-up to 0,8 Unom.
Explosion protection marking:
2AIMM - 1ExdIIBT4
2AIU - RV-3V (Exd1 PB).
Type of a climatic modification: U2,5, T2,5, UHL2,5.
Degree of protection of the case and box of conclusions: IP 54.
Way of cooling: IC0141
Class of heat stability of isolation: H (180º C).

Technical characteristics of engines for the frequency of current of 50 Hz are given in tab. 1.
The adjusting and connecting sizes of engines are given in table 2 and in fig. 1.

Structure of symbol USVT at the order:
USVT-HHH-HHHHHH

USVT XXX X X
Device of the alarm system of vibrospeed and temperature BP tension: - 36B (127B, 220B) Number of sensors of vibration:-2 - only for the electric motor;-4 - for the electric motor and the mechanism Number of sensors of temperature of bearings:-2 - only for the electric motor;-4 - electric motor and mechanism
X X XX
Designation of existence of the sensor of temperature of the case of the electric motor:-0 - is not present;-1 - is Designation of existence of an exit for stator winding temperature sensors:-0 - no,-1 - is Designation of climatic
executions: - U2; - T2


Example of record of designation USVT in supply voltage of 36 V, measurement of vibrospeed for the engine and the mechanism, existence of sensors of measurement of temperature of bearings for the engine, the mechanism, the case of the engine, a winding of the stator of the engine, a climatic modification of U2, at the order and in documentation of other product:
"USVT-36V-4411 U2 device, TU U 31.6-32832237-009:2007"

Example of record of designation of the engine 2AIU315M10U2,5, type of a climatic modification of U2, 5, 110 kW, of 380/660 V, with a frequency of network of 50 Hz, executions on explosion protection of RV ExdI, complete with USVT-36V-4411U2, at the order and in documentation of other product:
"The engine 2AIU315M10U2,5, 380/660 V, 50 of Hz, RV ExdI, TU U 31.1-32832237-012:2009 with USVT-36V-4411U2, TU U 31.1-32832237-009:2009".

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Explosion-proof electric motor 2AIU280-355
Explosion-proof electric motor 2AIU280-355
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