Thermal Overload Relay NR2-25 4-6A

  • Model: 004.002.203
  • photo 3
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Thermal Overload Relay NR2-25 4-6A
Manufacturer: Chint (China)
Barcode: 6940092417130
Thermal overload relay NR2-25 4-6A is applicable for electric motors protection with power 2.2kW. Used together with NC1-09...NC1-25 contactors.
Features: 3-phase bimetal; continuously redjustable current settings; temperature compensation; tripping indicator; Test and Stop buttons; manual and automatic reset button; electically separated 1NO and 1NC contacts.
$10.09
 pcs

Type designation

NR2 − 25  4-6A
Current setting range
Current class
Design sequence number
Thermal overload relay
Company code

Technical data

Catalogue ordering codesstandard246923
RoHS980023
Tripping class10A
Phase failure protection functionyes
Automatic and manual resetyes
Temperature compensationyes
Releasing indicatoryes
Test and stop pushbuttonyes
Mounting modeplug-inyes
independentyes
Auxiliary contactsNumber of contacts1NO + 1NC
Rated current (AC-15 220V)2,73А
Rated current (AC-15 380V)1,58А
Rated current (DC-13 220V)0,2А
Rated operational current4-6А
Matched fuseaM8A
gG16A
Cross-section area of conductorsmain circuitsingle core or stranded wire1~4mm2
wiring screwM4
auxiliary circuitsingle core or stranded wire0,5~2,5mm2
wiring screwM3,5

Protection properties

ItemSeries No.I/InOperating time, TpTest condition
Overload protection11,05> 2hStart from cold status
21,2≤ 2hStart from heat status, rigth after item no.1
31,5≤ 2minStart from heat status, rigth after item no.1
47,22s<Tp≤10sStart from cold status
Phase failure protection5Any two phasesAnother phase> 2hStart from cold status
1,00,9
61,150≤ 2hStart from heat status, right after item no. 5

Current curves

Overload relay NR2 curves

Overall and mounting dimensions

 Plug-in relay NR2-25 dimensions
Relay NR2-25 with mounting block dimensions
Questions
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