TYSEN-SAE Electrical Co., Ltd.|Thermal overload relay

Product Overview

NYKR2 series thermal overload relay (hereafter referred to as thermal relay) is mainly used for overload and open-phase protection for long-time working AC motor with AC 50HZ or 60HZ, rated insulating voltage of 690V, current 0.1-150A.
Thermal relay has such functions as temperature compensation, action indication, automatic and manual reset and stop, the product performance is stable and reliable.
The product satisfies GB14048.4, IEC60947-4-1 standard.
This series of thermal relay can be in plug-in installation with contactor, also can be independently installed.

Could be in three-phase double-metal piece, release grade is 10A.
Open-phase protection;
Setting-current continuously adjustable device;
Temperature compensation;
Action indication;
Test mechanism;
Stop button;
Manual and automatic reset button;
Dividable one normal open and one normal close contact electrically;
Installation method: plug-in installation or independent installation with contactor.

Items			NYKR2-F25	NYKR2-F36	NYKR2-F93	NYKR2-F140
Current Grade			25	40	93	140
Rated insulation voltage			690	690	690	690
Open-phase protection			√	√	√	√
Manual and automatic reset			√	√	√	√
Temperature compensation			√	√	√	√
Release indication			√	√	√	√
Test button			√	√	√	√
Stop button			√	√	√	√
Installation method			Plug-in type	Plug-in type	Plug-in type	Plug-in type
Auxiliary contact			1NO+1NC	1NO+1NC	1NO+1NC	1NO+1NC
AC-15 220V Rated current A			2.73	2.73	2.73	2.73
AC-15 380V Rated current A			1.58	1.58	1.58	1.58
DC-15 220V Rated current A			0.2	0.2	0.2	0.2
Wire sectional area mm²	Main circuit	Single-core or stranded wire	4～10	4～10	4～35	4～35
	Main circuit	Wiring screw	M4	M4	M10	M10
	Auxiliary loop	Single-core or stranded wire	0.5～2.5	0.5～2.5	0.5～2.5	0.5～2.5
	Auxiliary loop	Wiring screw	M3.5	M3.5	M3.5	M3.5