Hot Selling Genuine Nxr Thermal Overload Relay Contactor 220V three stage AC telemecanique magnetic contactor
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- Supplier: Kunshan Pinzhe Industrial Materials Co. Ltd.
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Product Overview
Description
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Product Description
Applicable scope
NXR thermal overload relays (hereinafter abbreviated as thermal relays) are suitable for
overload and phase loss protection for uninterrupted or intermittent AC motors with AC
frequency of 50 Hz/60 Hz, a voltage up to 690 V, and a current of (0.1-630)A.
The thermal relays also provide temperature compensation, action indication, automatic
and manual reset, stop, and testing functions. The products are characterized by stable and
reliable performance. The thermal relays can be plugged into contactors or installed indepe
ndently.
Compliant standards: IEC/EN 60947-4-1, IEC/EN 60947-5-1.
Structural characteristics
Three-phase bi-metal sheet type or electronic type (NXR-200, NXR-630), with a tripping level
of 10A
With phase loss protection
With a device for continuous adjustment of setting current
With temperature compensation
With action indication
With testing mechanism
With stop bottom
With manual and automatic reset button (NXR-200 and NXR-630 only have manual reset)
With one NO contact and one NC contact that are electrically separable
Installation method: Plugged into contactor (NXR-12, 25, 38, 100) or installed independently
(NXR-200, 630)
Protection characteristics
Operation environment
Annex I: Instructions for use in abnormal conditions
IEC/EN 60947-4-1
impact on their performance.
At an operation temperature higher than +40℃, the tolerable temperature rise of products needs to be reduced. The rated operation current should
be adjusted to prevent product damage, shortened service life, lower reliability, or impact on action characteristics.At a temperature lower than -5℃,
impact of changes to the heat dissipation system on the action characteristics of the products should be considered.
The temperature compensation coefficients at an ambient temperature higher than +40℃ and lower than -5℃ are given below. The compensation
coefficients corresponding to -35℃ and +70℃ environments are given in the table below. No corrections are required for NXR-200 and NXR-630.
standard defines normal operation temperature range for products. Use of products in the normal range will not cause significant
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