NRE8 Series Electronic Overload Relays

Product category:: Motor protection circuit breaker
Product code:: P-413
Model:: NRE8

Function & Use (Application Scenarios)

Motor control and protection electrical appliances, thermal relays are mainly applicable to (hereinafter referred to as relays) which are mainly used in AC 50/60Hz, rated working voltage of 690V or below, and current within the range of the rated current marked on the housing, for overload and phase failure protection of three-phase motors

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Product highlights

Overload protection reliable
Easy installation and maintenance
Control response is stable
Engineering Application Compatibility
Stable and reliable operation

Model

NRE8

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Main Product Parameters

CategorySwitchgearSecondary CategoryMotor protection circuit breaker

ParametersSet current range: 0.6~100A; Trip level: 10A; Installation method: Plug-in installationAdvantages/Core Features01 Main current detection through microcontroller chip; more accurate operation, less affected by the environment

Product details

Function and Usage

The NRE8 series electronic overload relay (hereinafter referred to as the relay) is mainly used in circuits with AC 50/60Hz, rated operating voltage below 690V, and current within the set current range marked on the housing, to provide three-phase motor overload and phase failure protection.

Detail Description

Parameters:
Set Current Range: 0.6~100A
Tripping Level: 10A
Installation Method: Plug-in Installation

Advantages/Core Functions:
01 Main current detection through a microcontroller chip
More accurate operation, less affected by environmental factors

Detailed Parameters

Parameter Category	Parameter Item	Parameter Value
4.1 Main Circuit	Rated Insulation Voltage	AC690V
	Rated Frequency	50/60Hz
4.2 Auxiliary Circuit	Rated Insulation Voltage	AC400V
	Rated Frequency	50/60Hz
	Usage Category	AC-15, A00, DC-13
	Rated Operating Voltage(V)	230, 400, 220
	Rated Operating Current(A)	2.5, 1.5, 0.2
	Agreed Heating Current(A)	5
4.3 Connection Wires of Main Circuit	Wire Type	PVC insulated copper wire or copper cable
	Cross-sectional Area and Length Parameters	See Table 2
Parameter Category	Parameter Item	Parameter Value
Relay Type	Current Range(A)	Wire Cross-sectional Area(mm²) Length(m) Number
	I ≤ 8	1 1 1
	8 < I ≤ 12	1.5 1 1
	12 < I ≤ 20	2.5 1 1
	20 < I ≤ 25	4.0 1 1
	25 < I ≤ 32	6.0 1 1
	32 < I ≤ 50	10 1 1
	50 < I ≤ 65	16 1 1
	65 < I ≤ 85	25 1 1
	85 < I ≤ 115	35 1 1

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