m520-u5nl ETC-unknow, m520-u5nl Datasheet

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m520-u5nl

Manufacturer Part Number
m520-u5nl
Description
Electromechanical Relay Spst-no-dm 50a 28vdc 290ohm
Manufacturer
ETC-unknow
Datasheet
CONTACT ELECTRICAL CHARACTERISTICS
Date of issue: 9/07
Minimum
operating cycles
ENGINEERING DATA SHEET
Data sheets are for initial product selection and comparison. Contact Esterline Power Systems prior to choosing a component.
Featuring
www.esterline.com
200,000 cycles
50,000 cycles
10,000 cycles
10,000 cycles
APPLICATION NOTES:
001
007
023
50 cycles
LEACH
©
Contact rating per
pole and load type
resistive load
inductive load (L/R=5ms)
lamp load
inrush current
resistive overload
no load
power and control solutions
Non latching hermetically sealed relay
Contact arrangement
Coil supply
PRINCIPLE TECHNICAL CHARACTERISTICS
Contacts rated at
Weight
Dimensions max.
of case in mm
Balanced-force design
Hermetically sealed, corrosion protected metal can
NO LOAD - DESIGNATOR
AMERICAS
6900 Orangethorpe Ave.
P.O. Box 5032
Buena Park, CA 90622
.
.
Tel: (01) 714-736-7599
Fax: (01) 714-670-1145
- 186 -
200
50
15
-
-
Load Current in Amps
EUROPE
2 Rue Goethe
57430 Sarralbe
France
.
.
Tel: (33) 3 87 97 31 01
Fax: (33) 3 87 97 96 86
1 PST NO(DM)
Direct current
50 Amps / 28 Vdc
85 grams max
26 x 42 x 26
1 PST NO(DM), 50 AMP
RELAY - NONLATCH
ASIA
Units 602-603 6/F Lakeside 1
No.8 Science Park West Avenue
Phase Two, Hong Kong Science Park
Pak Shek Kok, Tai Po, N.T.
Hong Kong
Tel: (852) 2 191 3830
Fax: (852) 2 389 5803
"L" DESIGNATOR
180
25
16
-
-
Page 1 of 4
M520

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m520-u5nl Summary of contents

Page 1

... Sarralbe Buena Park, CA 90622 France . . . . Tel: (01) 714-736-7599 Tel: (33 Fax: (01) 714-670-1145 Fax: (33 186 - M520 RELAY - NONLATCH 1 PST NO(DM), 50 AMP "L" DESIGNATOR 180 - ASIA Units 602-603 6/F Lakeside 1 No.8 Science Park West Avenue Phase Two, Hong Kong Science Park Pak Shek Kok, Tai Po, N ...

Page 2

... N/A N/A -65°C to +125°C 1250 Vrms / 50 Hz 1000 Vrms / 50 Hz 500 Vrms / 50 Hz 100 M 20G / 75 to 3000 Hz 50G / µ max 15 ms max 1 ms max 150 mV max 175 mV max - 187 - M520 7.3 29 4 290 N/A -42 min. Page ...

Page 3

... MOUNTING STYLES D 1 ±0.15 4 15.9 3.8 23.8 MAX 35.5 36.7 44 MAX Dimensions in mm Tolerances, unless otherwise specified, ±0.25mm TERMINAL TYPES Date of issue: 9/07 3.8 26.7 J MAX 1 26 MAX 35.5 36.7 44 MAX 11.4 6.3 +X1 13 -X2 M3 ±0.1 1.3 11 13.5 - 188 - 23.8 15.9 MAX 3.8 8 2.7 14 M520 26 MAX U 35.5 36.7 44 MAX Page ...

Page 4

... For other mounting styles or terminal types, please contact the factory. 2. Contact load identification: - resistive load: none - lamp load: L TYPICAL CHARACTERISTICS Coil resistance/temperature change: See application note no. 001 G Date of issue: 9/ -X2 A1 CE: COIL SUPPRESSION - 189 - N COIL A2 +X1 + -X2 A1 M520 M520 Page ...

Page 5

Application notes CORRECTION DUE TO COIL COPPER WIRE RESISTANCE 1.8 1.6 1.4 1.2 1 0.8 0.6 -80 -30 Nominal Resistance at 25°C Example: Coil resistance at 25°C: 935 ohms. What 125°C? Correction coefficient on diagram is: 1.39 ...

Page 6

Application notes The inductive nature of relay coils allows them to create magnetic forces which are converted to mechanical movements to operate contact systems. When voltage is applied to a coil, the resulting current generates a magnetic flux, creating mechanical ...

Page 7

Types of suppressors: Passive devices. The resistor capacitor circuit It eliminates the power dissipation problem, as well as fast voltage rises. With a proper match between coil and resistor, approximate capacitance value can be calculated from 0.02xT/R, where ...

Page 8

The bifilar coil The principle is to wind on the magnetic circuit of the main coil a second coil shorted on itself proper adaptation of the internal resistance of this second coil it is possible to find an ...

Page 9

The diode + resistor network It eliminates the inconvenience of the resistor alone, explained above, and it limits the action of a single diode now preferred to used the diode + zener network. The diode + zener network ...

Page 10

Application notes Definition and applicability This application note defines the minimum distance between relays to maintain the whole performances of the relays as given in our data sheets. Phenomenon analysis Each relay generates a magnetic field either when relay is ...

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