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RY Series

Features | Dimensions | Schematics | Pad Layout | Part Number System | Coil Ratings | Contact Ratings | Characteristics | Reference Data

Features

UL & CUL File #E223388

1. Small size with 16A switching capacity.
2. 8mm creeping distance. Surge resistance of 10000V and dielectric strength of 5000VAC is avaliable.

Dimensions

Unit: mm

Schematics

(Bottom view)

Pad Layout

(Bottom view)
Unit: mm (inch)

Part Number System

RY
1		 1C
2		 - 12
3		 S
4		 S
5

1 Basic Designation
    

RY = RY Series

2 Contact Arrangement
    

1A = 1 Form A (SPST-NO)
1C = 1 Form C (SPDT)
3 Coil Voltage
3~48V

4 Coil Sensitivity

Nil = 720mW
H = 540mW

5 Enclosure
    

Nil = Unsealed type
S = Sealed type

Coil Ratings (at 20°C)

Type

Coil Nominal
Voltage (VDC)

Nominal Current
(mA)

Coil Resistance Ω (±10%)

Drop-Out Voltage (VDC) min.

Pick-Up Voltage (VDC) max.

Nominal Operating Power (W)

Max. Allowable
Voltage (VDC)

Standard

3

240.00

12.5

5%

80%

0.72

130% of nominal voltage

5

138.89

36

6

120.00

50

9

78.26

115

12

60.00

200

18

40.00

450

24

29.27

820

48

14.55

3,300

High Sensitive

3

176.47

17

5%

80%

0.54

130% of nominal voltage

5

100.00

50

6

88.24

68

9

58.06

155

12

44.44

270

18

30.00

600

24

21.82

1,100

48

10.91

4,400

 

Contact Ratings

Contact Arrangement

1A, 1C

Max. Switching Power

4000VA 600W

Max. Switching Voltage

250VAC 30VDC

Max. Switching Current

16A

Contact Resistance
(By voltage drop 6V 1A)

50mΩ max.

UL/ C-UL RatingResistive Load (cos Ø = 1)

Inductive Load (cos Ø = 0.75 ~ 0.8)

20A / 120VAC5A / 24VDC

16A / 240VAC5A / 120VAC

Contact Material

silver alloy

 

Characteristics

Type

Standard

High Standard

Electrical Life (at 20cpm)

1 x 105

Mechanical Life (at 120cpm)

1 x 107

Initial Insulation Resistance

1000MΩ Min. (500VDC)

Operate Time

15ms max.

20ms max.

Release Time

8ms max.

Initial Breakdown Voltage

50/60Hz 1000VAC 1 min. (between open contacts)
50/60Hz 5000VAC 1 min. (between coil & contact)

Vibration Resistance

Functional: 10 to 55Hz at double Amplitude of 1.5mm
Destructive: 10 to 55Hz at double Amplitude of 1.5mm

Shock Resistance

Functional: Min. 10G
Destructive: Min. 100G

Insulation Withstand Voltage

5000V 1.2 x 50µs (between coil and contacts)

Ambient Temperature

-40°C ~ +85°C

Temperature Rise (Max.)

45°C

35°C

Operating Humidity

45 to 85% RH

Unit Weight

Approx. 13 g

 

Reference Data

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Notes on Correct Use

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Last updated: 9-1-07