s
FEATURES
q
Ultra high sensitivity
q
UL, CSA recognized
q
Conforms to FCC rules and regulations Part 68
--Surge strength 1,500 V
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High dielectric strength type available (RY-WF type)
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Contact arrangement MBB type available (RY-D type)
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High reliability-bifurcated contacts
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Wide operating range
q
DIL pitch terminals
q
Plastic sealed type
(a)
Series Name
RY : RY Series
(b)
Nominal Voltage Refer to the COIL DATA CHART
W : High sensitive type
WZ : Nominal 0.5 W type
(c)
Coil and Contact Function
WF : High dielectric strength type
WFZ : 2 A type
D : 2 FORM D (2 MBB type)
(d)
Enclosure
K
: Plastic sealed type
Note: Actual marking omits the hyphen (-) of (*)
For movable and stationary contact with gold overlay type, add suffix "OH".
s
ORDERING INFORMATION
RY
12 WF
K
[Example]
(a) ( * ) (b) (c)
(d)
RY SERIES
MINIATURE RELAY
2 POLES--1 to 2 A
(FOR SIGNAL SWITCHING)
1
2
RY SERIES
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SAFETY STANDARD AND FILE NUMBERS
UL478, 508 (FIle No. E45026)
C22.2 No. 14 (File No. LR35579)
Please request when the approval markings are required on the cover.
Please note that UL/CSA ratings may differ from the standard ratings.
Type
Nominal voltage
Contact rating*
1
RY-W
0.5 A
120 VAC
RY-WZ
3 to 48 VDC
1 A
24 VDC
resistive
0.3 A
60 VDC
0.25 A
120 VAC
RY-WF
5 to 48 VDC
1 A
48 VDC
resistive
0.3 A
60 VDC
0.5 A
120 VAC
RY-WFZ
3 to 48 VDC
2 A
30 VDC
resistive
0.6 A
110 VDC
RY-D
4.5 to 48 VDC
0.3 A
120 VAC
resistive
0.2 A
60 VDC
Note: *
1
Contact ratings mentioned above are subject to same polarity.
3
RY SERIES
s
SPECIFICATIONS
High
500 mW
High
Continuous
Sensitive
Type
Dielectric
2 A Type
(MBB)
Item
Type
Strength
Type
RY-( ) W-K
RY-( ) WZ-K
RY-( ) WF-K
RY-( ) WFZ-K
RY-( ) D-K
Contact
Arrangement
2 form C (DPDT)
2 Form D (2 MBB)
Material
Gold overlay silver-palladium
Gold overlay
Gold overlay
silver-nickel
silver-palladium
Style
Bifurcated
Single
Resistance (initial)
Maximum 100 m
(at 1 A 6 VDC)
Maximum Carrying Current
1.25 A 2 A
0.6 A
Rating
1 A 24 VD 1 A 24 VDC 2 A 30 VDC 0.15 A 48 VDC
0.5 A 120 VAC 0.25 A 120 VAC
0.5 A 125 VAC 0.3 A 120 VAC
Maximum Switching Power
60 VA/24 W
30 VA/24 W
62.5 VA/60 W 36 VA/7.2 W
Maximum Switching Voltage
120 VAC, 60 VDC
125 VAC, 150 VDC 120 VAC, 60 VDC
Maximum Switching Current
1 A
2 A
0.6 A
Minimum Switching Load*
1
0.01 mA 10 mVDC
0.1 mA 10 mVDC
Capacitance
Approx. 0.9 pF (between open contacts) 1.4 pF (adjacent contacts)
Approx. 1.9 pF (between coil and contacts)
Coil
Nominal Power (at 20
C)
0.15 to 0.30 W 0.5 to 0.58 W 0.45 to 0.46 W 0.5 to 0.58W 0.45 to 0.48 W
Operate Power (at 20
C)
0.075 to 0.14 W 0.125 to 0.145 W 0.2 to 0.21 W 0.2 to 0.324 W 0.2 to 0.21 W
Operating Temperature (No frost)
30
C to +90
C 30
C to +60
C (
refer to the CHARACTERISTIC DATA
) 30
C to +70
C
Time Value
Operate (at nominal voltage)
Maximum 6 ms
Release (at nominal voltage)
Maximum 3 ms
Insulation
Resistance (at 500 VDC)
Minimum 1,000 M
between open contacts
AC 500 V 1 minute 1,000 VAC 1 minute 500 VAC 1 minute
Dielectric
between adjacent contacts
1,000 VAC 1 minute
Strength
between coil and contacts
1,000 VAC 1 minute
Surge Strength
1,500 V
Life
Mechanical
2
10
7
ops. min. 1
10
7
operations minimum 1
10
6
ops. min.
Electrical (at contact rating)
2
10
5
ops. min. (0.5 A 120 VAC) 5
10
5
ops. min. 1
10
5
ops. min.
2
10
5
ops. min.
5
10
5
ops. min. ( 1 A 24 VD C) (0.25 A 120 VAC (2 A 30 VDC) (0.3 A 120 VAC)
1 A 24 VDC
5
10
5
ops. min.
(0.15 A 48 VDC)
Other
Vibration Misoperation
10 to 55 Hz (double amplitude of 1.5 mm)
Resistance Endurance
10 to 55 Hz (double amplitude of 4.5 mm)
Shock Misoperation
100 m/s
2
(11
1 ms)
Resistance Endurance
1,000 m/s
2
( 6
1 ms)
Weight
Approximately 5 g
*
1
Minimum switching loads mentioned above are reference values. Please perform the confirmation test with the actual load
before production since reference values may vary according to switching frequencies, environmental conditions and
expected reliability levels.
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