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JR36 Series Thermal Over-load Relay

JR36 Series Thermal Over-load Relay

JR36 Series Thermal Over-load Relay

Product catalog summary
Overview and Application Scope
The JRS36 series bimetal type thermal overload relay is designed for AC circuits with a frequency of 50Hz, a rated operating voltage of up to 690V, and a current range of 0.25 to 160A. It provides overload and phase break protection for AC motors. Key features include adjustable setting current, temperature compensation, phase break protection, and options for auto or manual reset. The relay is compatible with JR16B dimensions and complies with standards GB14048.4 and IEC60947-4-1.

Specifications
The relay operates under ambient temperatures from -5°C to +40°C, with an average not exceeding +35°C over 24 hours. It is suitable for altitudes up to 2000m and environments with a relative humidity of 50% at +40°C, increasing to 90% at +20°C. The relay should be installed in non-explosive, non-corrosive environments free from conductive dust. It has a pollution degree of 3, installation category III, and a protection grade of IP 20.

Main Technical Parameters
The relay's rated current, thermal parts, and recommended fuse models are detailed in Table 1. Action characteristics for balanced and unbalanced three-phase conditions are outlined in Tables 2 and 3, respectively. The auxiliary circuit parameters are provided in Table 4. The action characteristics curve is depicted in Map 1, showing the relay's response under various conditions.

Installation Dimensions
Installation dimensions for different models (JR36-20, JR36-32, JR36-63, JR36-160) are illustrated in Maps 2 to 4, including details for installation screw holes.

Ordering Information
When ordering, specify the product model, specification, setting current range, and quantity required. Example: JR36, 6.8~11A, 200 pcs.
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Catalog excerpts

JR36 Series Thermal Over-load Relay-1

Series Thermal Over-load Relay Usage and its scope of application JRS36 series bimetal type thermal over-load relay is suitable for the circuit of AC 50Hz, rated operating voltage Ue: AC 690V, current of 0.25~160A, as the use of over-load and break phase protection for the AC motor. Thermal relay has the functions of the setting current is adjustable, temperature compensation, break phase protection, optional selection of auto-reset and manual reset, it can check the circuit's action flexibility, and can manually break the NC contact (NO contact close), its external dimension and installation dimension is the same with JR16B, which is a new generation of ideal product. This product confirms to: GB14048.4, IEC60947-4-1 etc. standards. Model and its implication Specification code, to be indicated as rated operating current A Design serial No. Thermal Over-load Relay Normal operating condition and installation condition 3.1 Ambient temperature: -5ÿ~+40ÿ, and the average value within 24h does not exceed +35ÿÿ 3.2 Altitude of the installation place does not exceed 2000m; 3.3 Atmosphere condition: The relative humidity does not exceed 50% when it is at +40ÿ, it allowed relatively high humidity at the relatively low temperature, for example, the relative humidity reaches 90% when +20ÿ, and it should take special measurements when there produced the condensation on the product due to the temperature variation. 3.4 It should be at the no explosion danger medium, and the medium without the gas that cannot corrode the metal and damage the insulation as well as the places that without conductive dust. 3.5 Grade of pollution: 3 3.6 Installation category: III 3.7 Installation position: installed at the normal position, the gradient between the installation side and the vertical side does not exceed ±5°, and without obvious vibration and impact. 3.8 Protection grade: IP 20

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JR36 Series Thermal Over-load Relay-2

Relay jr36 Series Thermal Over-load Relay ► Main technique parameter 4.1 Rated current of thermal relay, rated current, current setting scope of thermal parts and recommended fuse model to see table 1 Table 1 Releasing grade: JR36-20, JR36-32 is 10A grade, JR36-63, JR36-160 is 10 grade. www.peopleelectric.com [email protected]

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JR36 Series Thermal Over-load Relay-3

f Relay jr36 Series Thermal Over-load Relay 4.3 Action characteristics when thermal relay three phase unbalance to see table 3 Table 3 4.5 Action characteristics curve of thermal relay to see map 1 A. Three phase balance, unbalance, starting by cool status; B. Three phase balance, break phase, starting by thermal status Map 1 Action scope curve ► External and installation dimension External and installation dimension of thermal relay to see map 2~4 Dimension for installation screw hole Map 2 External and installation dimension for JR36-20, JR36-32 onwww.peopleelectric.com [email protected]...

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JR36 Series Thermal Over-load Relay-4

Relay jr36 Series Thermal Over-load Relay Map 3 External and installation dimension for JR36-63 Dimension for installation screw hole Map 4 External and installation dimension for JR36-160 ► Ordering Notice It required to be noted: Product model, specification, setting current adjusting scope and required quantity. For example: JR36, 6.8~11A, 200 pcs www.peopleelectric.com [email protected]

 Open the catalog to page 4

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