CNC Electronic Relay 3p Thermal Overload Relay Thermal Relay

• Theory: Thermal Relay
• Usage: Household Appliances Relay
• Phase: 3
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: JR28
• Electricity Type: Ac
• Number of Pole: 4
• Load: Weak Power Relay
• Protective Characteristics: Sealed Relay
• Action Principle: Rectifier Type
• Size: Miniature
• Type: Electric Parameter Relay
• Frequency: 50/60Hz
• Rated Current (a): 0.1A-630A
• Standard: IEC 60947/ CE CB
• Voltage: up to 690V
• Matched Contactor: Cjx2s/Cjx2I/Cjx2-D
• Transport Package: CNC Brand /Neutral Packing
• Specification: JR28
• Trademark: CNC or OEM
• Origin: China
• HS Code: 8536200000
• Production Capacity: 5000pieces/Week
• Package Size: 50.00cm * 40.00cm * 25.00cm
• Package Gross Weight: 20.000kg

Product Description

 

Product Description

 

General

JR28 series thermal overload relay are suitable for overload and phase-failure protection of AC motors with frequency of 50/60Hz, voltage up to 690V, current up to 0.1-630A under 8-hours duty or uninterrupted duty.

Functions provided by these relays, are phase-failure protection, ON/OFF indication, temperature compensation, and manual/automatic reset.

International Standard: IEC 60947-4-1

The relays can be mounted onto contactors or installed as single units.

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
	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.5

 

 

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