JB/T 2290-2020 English PDF

US$849.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email.
JB/T 2290-2020: (Marine low voltage contactor and AC motor starter)
Status: Valid

JB/T 2290: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 2290-2020	849	Add to Cart	6 days	(Marine low voltage contactor and AC motor starter)	Valid
JB/T 2290-2007	RFQ	ASK	8 days	Low-voltage contactors and AC motor-starters in ships	Obsolete
JB/T 2290-1993	RFQ	ASK	11 days	LOW－voltage contactors and AC motor starters in ships	Obsolete
JB 2290-1978	RFQ	ASK	3 days	(Chinese Industry Standard)	Obsolete

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Basic data

Standard ID: JB/T 2290-2020 (JB/T2290-2020)
Description (Translated English): (Marine low voltage contactor and AC motor starter)
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: K32
Classification of International Standard: 29.130.20
Word Count Estimation: 38,386
Date of Issue: 2020-04-16
Date of Implementation: 2021-01-01
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the normal working conditions, installation conditions, structure, performance requirements, test methods and inspection rules of marine low-voltage contactors and AC motor starters. This standard applies to low-voltage contactors and AC motor starters for ships in non-explosive and hazardous gas environments with AC voltage of 1 000V or DC voltage of 1 500V and below in the main circuit. This standard does not apply to the following contactors and starters: star-delta starters, rotor varistor starters and auto decompression starters for special purposes and continuous operation in the starting position; unbalanced rotor varistor starters , that is, the resistance value of each phase is different; starters not only for starting but also for speed regulation; liquid starters and "liquid-gas" starters; semiconductor contactors and semiconductor contactors used in the main circuit

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