MDRD Thermal Overload Relay

 

Application:
This series of thermal overload relay can be used in the circuit of 50Hz or 60Hz, rated insulation voltage 660V, rated current 0.1-140A for protecting the phase break when the electric motor is overload. The relay has different mechanism and temperature compensation & can be pluged in MBC1-D series AC contactor. It is the most advanced thermal relay in the nineties in the world. The products comply with IEC 60947-5.

Specifications:

Type	Rated working curren			Thermal component
				Rated current (A)	Regular or scale of rated current (A)
MBRD13	25	MBRD	1301	0.16	0.10-0.16
			1302	0.25	0.16-0.25
			1303	0.40	0.25-0.40
			1304	0.63	0.40-0.63
			1305	1.0	0.63-1.0
			1306	1.6	1.0-1.6
			1307	2.5	1.6-2.5
			1308	4.0	2.5-4.0
			1310	6.0	4.0-6.0
			1312	8.0	5.5-8.0
			1314	10.0	7.0-10.0
			1316	13.0	9.0-13.0
			1321	18.0	12.0-18.0
			1322	25.0	17.0-25.0
MBRD23	38	MBRD	2353	32	23.0-32.0
			2355	38	28.0-36.0
MBRD33	140	MBRD	3353	32	23.0-32.0
			3355	40	30.0-40.0
			3357	50	37.0-50.0
			3359	65	48.0-65.0
			3361	70	55.0-70.0
			3363	80	63.0-80.0
			3365	104	80.0-104.0
			3367	120	95.0-120.0
			3369	140	110.0-140.0
MBRD43	140	MBRD	4365	104	80.0-104.0
			4367	120	95.0-120.0
			4369	140	110.0-140.0

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