Zhejiang Huayang Electric Co., Ltd. >> JR20-63L Thermal Overload Relay

JR20-63L Thermal Overload Relay

Name: JR20-63L Thermal Overload Relay
Brand: China-Manufacturer-Directory.com
SKU: 705524855
Availability: InStock
Rating: 4.6 (118 reviews)

Supplier:	Zhejiang Huayang Electric Co., Ltd.
Price:	Negotiable/Piece
Min Order:	20/Piece
Quantity::
Trade Terms:	FOB,CFR,EXW

Product Specifications

Prod Model:	JR20-63L
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe

Product Description

JR20-63L thermal overload relay

Application

JR20-63L thermal overload relay are suitable for overload and phase-failure protection of AC motors with frequency of 50/60Hz, voltage up to 660V, current up to 0.16-630A under 8-hours duty or uninterrupted duty.
Functions provided by these relays are: Phase-failure protection, temperature compensation, ON/OFF indication, and manual/automatic reset.
Applicable Standards: National Standard: GB 14048, International Standards: IEC 60947-4-1
LR20- L, L shows installed as single units
The relays can be mounted onto contactors or installed as single units.

Operating Conditions

The altitude couldn t exceed 2000m.
Ambient temperature: -5 ~+55 degree centigrade and the average temperature no more than +35 degree centigrade in 24 hours.
Atmosphere: Comparative humidity no more than 50% at max +40 degree centigrade, and it may be higher at a lower temperature. The lowest average temperature no more than +20 degree centigrade in the wettest month.
The maximum average comparative humidity of this month could not exceed 90%, The change of temperature leading to dew on the product must be considered.
Class of pollution: Class 3.
The slope between installation surface and vertical surface could not exceed plus and minus 5 degree
Keeping away from explosive, corrosive and electric atomy.
Keeping dry.
The product should be used and installed at certain place without any shock, vibration etc.

Technical Data
Item			JR20-25L	JR20-63L	JR20-160L	JR20-630L
Rated operational current			25	63	160	630
Rated operational voltage			660	660	660	660
Phase-failure protection			Yes	Yes	Yes	Yes
Manual/Auto reset			Yes	Yes	Yes	Yes
Temperature compensation			Yes	Yes	Yes	Yes
Releasing indicator			Yes	Yes	Yes	Yes
Test button			Yes	Yes	Yes	Yes
Stop button			Yes	Yes	Yes	Yes
Auxiliary			1NO+1NC	1NO+1NC	1NO+1NC	1NO+1NC
NC 95-96		127V rated current A	4.3	4.3	4.3	4.3
		220V rated current A	2.5	2.5	2.5	2.5
		380V rated current A	1.5	1.5	1.5	1.5
NC 97-98		220V rated current A	1.6	1.6	1.6	1.6
		380V rated current A	1.0	1.0	1.0	1.0
Mounting			as single unit	as single unit	as single unit	as single unit
Conductor cross section (mm2)	Main circuit	Solid or stranded conductor	1.5~6.0	4.0~25	10~95	480A 2 x 150
	Auxiliary circuit	Solid or stranded conductor	1.5~6.0	4.0~25	10~95	> 480A 2 x 185
		Terminal screw	M5	M6	M8	M10
		Solid or stranded conductor	1.0	1.0	1.0	1.0
		Terminal screw	M3.5	M3.5	M3.5	M3.5

Protection Characteristics
Item	NO	Times the setting current		Release time	Test condition
Overload protection	1	1.05		> 2h	Start from Cold status
	2	1.2		< 2h	Start from Hot status right after item no. 1
	3	1.5		< 2m	Start from Hot status right after item no. 1
	4	7.2		2s< Tp< 10s	Start from Cold status
Phase - failure protection		Any two phases	Another phase
	5	1.0	0.9	> 2h	Start from Cold status
	6	1.15	0	< 2h	Start from Hot status right after item no. 1
	7	3pole 1.0		> 2h	Start from Cold status
	8	2pole 1.32	1pole 0	< 2h	Start from Hot status right after item no. 1

Selection and Ordering Date
Type	Number	Rated current A	Fuse links A		For contactor
Type	Number	Rated current A	1	2
JR20-63L	1U	16-24	160	50	CJ20-40 CJ20-63
	2U	24-36	160	100
	3U	32-47	160	100
	4U	40-55	160	100
	5U	47-62	160	125
	6U	55-71	160	125

Zhejiang Huayang Electric Co., Ltd. Specializes in manufacturing the Electronic overload Relays, Thermal Overload Relays, Electronic Voltage Relays, Other Protection & Monitoring Devices, Current Transformers, Shunt and any other electrical equipments. After several years' development, Vaya has become a larger enterprise combining research, production, sales and after-sales service of electronic relay and is one of the famous manufacturers in China. All of our production procedures are strictly followed ISO 9001. We also get across safety certification such as CE, CB, UL, CCC, etc. We are sure that we can offer you the product with good quality as well as competitive price as we have advanced technology and prefect testing equipments, with Up-To-Date machines and production.

Thanks to the perfect character, good service, and high quality, our products are well sold both in domestic and oversea markets, and highly praised by the clients. With the principle of quality, technology and credit, we insist on "Talents Is Our Base, Technique is the Source of Enterprise Development". And always continually research and develop new products to meet the clients' need. Look forward to establishing a long term business relationship with you!