Product Details

Polarized Relay/Permanent Magnetic Relay/Magnetic Relay/PMR

Characteristic	Symbol	Unit	Specification (Rated Current of RCD)
Characteristic	Symbol	Unit	≤40A	≥63A
Tripping current		mA	7-8	1.8-2.2
Tripping Voltage		mV	15-20	40-60
Rated actuating Power	S na	micro VA	100	60-70
Actuating Power( Operating Point)	S a	micro VA	80	50
AR - Power on delivery	S	micro VA	100-120	60-80
Impedence	Z	Ohms	2.5-4.4	35-45
Ohmic Resistance	R	Ohms	1.4-1.6	8.7-8.9
Thrust force		mm	h=0.5mm F≈0.7-0.8N	h=0.5mm F≈0.7-0.8N
		N	h=1.0mm F≈0.3-0.4N	h=1.0mm F≈0.3-0.4N
			h=1.6mm F≈0.2-0.3N	h=1.6mm F≈0.2-0.3N
Limitation		mm	h=1.8-2.0mm	h=1.8-2.0mm
Total Movement of Kicker		mm	1.8	1.8
Force Required for Resetting of Relay		Centi Newton	100-130	100-130
Recommended Restoring speed	Vr	m/Sec.	0.5-0.8	0.5-0.8
Operating Time (at F=50 Hz, 1.2 * S na)	Ta	m/Sec.	20	20
Designed Ambient temperature	oC	Centigrade	-110	-110
Life Expectancy		Cycles	> 5000	> 5000
Climatic Test Requirement			IEC61008/EN61008 tested in conjuction with RCCB	IEC61008/EN61008 tested in conjuction with RCCB
Lenght of wire for connection		mm	100 ±5	100 ±5

Application of Electromagnetic Relay

Electromagnetic relays are commonly used in control systems, automation, power distribution, and telecommunications. They provide an efficient means of controlling circuits and switching electrical loads. EM relays are capable of handling both low and high power loads, making them suitable for a wide range of applications.

Custom-made solution of magnetic relay

Expert advice, custommade solutions

We competently advise and support our customers in designing residual current devices. With our calculation programme for current transformers and our magnetic relay know-how, we offer technically optimised and economical package solutions.

Calculation of optimal current transformer dimensions
Determining the number of primary and secondary windings
Electronic design of residual current devices
Dimensioning of magnetic shield plates
Advice for optimal coupling to the RCD switching mechanism

Depending on the requirements, we offer a variety of subassemblies, adapted individually to the needs of our customers.

Adjustable magnetically
Low sensitivity to external magnetic fields
Plunger stroke ≥ 2.5 mm
Customer-specific solutions
Soldered-on electronics
Several trigger impedances
Two fastening methods
Only one primary winding
Short current path, low power dissipation
Minimal transformer volumes

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Polarized Relay/Permanent Magnetic Relay/Magnetic Relay/PMR

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