Application
JR28 Thermal Overload Relay is applicable to protect overload and open-phase of long-time continuous or discontinuous working AC motor in the circuit of AC 50/60Hz, current up to 630A, voltage up to 690V. It has features of temperature compensation, action indication, manual and automatic restoration.

Specifications

Model	Rated Operation Cuttent (A)	Rated Working Voltage (Ue) max (V)	Rated insulating Voltage (Ui) (V)	Suitable Comtactor
JR28-200	80-125	380	690	CJX1-Y115
	100-160	380	690	CJX1-Y150
	125-100	380	690	CJX1-Y185
JR28-630	160-250	380	690	CJX1-Y225
	200-315	380	690	CJX1-Y265
	250-400	380	690	CJX1-Y330/440
	315-500	380	690	CJX1-Y500
	400-630	380	690	CJX1-Y630

Overall And MOunting Dimensions
JR28-200 Independent Style


JR28-630 Independent Style

*Before “/ ” is JR28-400/630 size.
After “/ ” is JR28-500/630, 630/630 size.