IDEC RH Series Catalog Page
RH Series Relays
RH Series — General Purpose Midget Relays
Key features of the RH series include:
• Compact midget size saves space
• High switching capacity (10A)
• Choice of blade or PCB style terminals
• Relay options include indicator light, check button, and top
mounting bracket
• DIN rail, surface, panel, and PCB type sockets
available for a wide range of mounting applications
Silver cadmium oxide
50mΩ maximum (initial value)
24V DC/30mA, 5V DC/100mA
(reference value)
SPDT (RH1), DPDT (RH2): 20ms maximum
3PDT (RH3), 4PDT (RH4): 25ms maximum
SPDT (RH1), DPDT (RH2): 20ms maximum
3PDT (RH3), 4PDT (RH4): 25ms maximum
110% of the rated voltage
80% of the rated voltage
30% or more of the rated voltage
10% or more of the rated voltage
SPDT (RH1): DC: 0.8W
AC: 1.1VA (50Hz), 1VA (60Hz)
DPDT (RH2): DC: 0.9W
AC: 1.4VA (50Hz), 1.2VA (60Hz)
3PDT (RH3): DC: 1.5W
AC: 2VA (50Hz), 1.7VA (60Hz)
4PDT (RH4): DC: 1.5W
AC: 2.5VA (50Hz), 2VA (60Hz)
100MΩ min (measured with a 500V DC megger)
SPDT (RH1)
Between live and dead parts: 2,000V AC, 1
minute; Between contact circuit and operating coil: 2,000V AC, 1 minute;
Between contacts of the same pole: 1,000V
AC, 1 minute
DPDT (RH2), 3PDT (RH3), 4PDT (RH4)
Between live and dead parts: 2,000V AC, 1
minute; Between contact circuit and operating coil: 2,000V AC, 1 minute;
Between contact circuits: 2,000V AC,
1 minute; Between contacts of the same
pole: 1,000V AC, 1 minute
1,800 operations/hour
Coil: 85°C maximum
Contact: 65°C maximum
0 to 6G (55Hz maximum)
SPDT/DPDT: 200N (approximately 20G)
3PDT/4PDT: 100N (approximately 10G)
Electrical: over 500,000 operations at 120V
AC, 10A; (over 200,000 operations at 120V
AC, 10A for SPDT [RH1], 3PDT [RH3], 4PDT
[RH4])
Mechanical: 50,000,000 operations
–30 to +70°C
SPDT: 24g, DPDT: 37g (approximately)
3PDT: 50g, 4PDT: 74g (approximately)
UL Recognized
Files No. RH1 = E66043
RH2 = E66043
RH3 = E66043
RH4 = E55996
File No. B020813332452
Ordering Information
Order standard voltages for fastest delivery. Allow extra delivery time for
non-standard voltages.
Basic Part No. Coil Voltage:
RH2B-U AC110-120V
E
Relays
Contact Material
Contact Resistance
Minimum Applicable
Load
Operating Time
Release Time
Maximum Continuous
Applied Voltage
(AC/DC) at 20°C
Minimum Operating
Voltage (AC/DC) at 20°C
Drop-Out Voltage (AC)
Drop-Out Voltage (DC)
Power
Consumption
Insulation Resistance
Specifications
Dielectric Strength
Frequency Response
Temperature Rise
Vibration Resistance
Shock Resistance
Life Expectancy
Operating Temperature
Weight
CSA Certified
File No.LR35144
E-12 www.idec.com USA: (800) 262-IDEC or (408) 747-0550, Canada: (888) 317-IDEC
Relays RH Series
Part Numbers
Part Numbers: RH Series with Options
Termination Contact Configuration Basic Part No. Indicator Light Check Button Indicator Light and Check Button Top Bracket
SPDT RH1B-U RH1B-UL RH1B-UC RH1B-ULC RH1B-UT
B
(blade)
V2
(PCB 0.078"
[2mm] wide)
Coil Ratings
Rated Voltage
6V 150mA 200mA 280mA 330mA 170mA 238mA 330mA 387mA 18.8Ω 9.4Ω 6.0Ω 5.4Ω
12V 75mA 100mA 140mA 165mA 86mA 118mA 165mA 196mA 76.8Ω 39.3Ω 25.3Ω 21.2Ω
24V 37mA 50mA 70mA 83mA 42mA 59.7mA 81mA 98mA 300Ω 153Ω 103Ω 84.5Ω
AC
120V* 7.5mA 11mA 14.2mA 16.5mA 8.6mA 12.9mA 16.4mA 19.5mA 7,680Ω 4,170Ω 2770Ω 2220Ω
240V† 3.2mA 5.5mA 7.1mA 8.3mA 3.7mA 6.5mA 8.2mA 9.8mA 3,1200Ω 15,210Ω 12,100Ω 9120Ω
6V 128mA 150mA 240mA 250mA 47Ω 40Ω 25Ω 24Ω
12V 64mA 75mA 120mA 125mA 188Ω 160Ω 100Ω 96Ω
24V 32mA 36.9mA 60mA 62mA 750Ω 650Ω 400Ω 388Ω
DC
48V 18mA 18.5mA 30mA 31mA 2,660Ω 2,600Ω 1,600Ω 1550Ω
110V‡ 8mA 9.1mA 12.8mA 15mA 13,800Ω 12,100Ω 8,600Ω 7,340Ω
DPDT RH2B-U RH2B-UL RH2B-UC RH2B-ULC RH2B-UT
3PDT RH3B-U RH3B-UL RH3B-UC RH3B-ULC RH3B-UT
4PDT RH4B-U RH4B-UL RH4B-UC RH4B-ULC RH4B-UT
SPDT RH1V2-U RH1V2-UL RH1V2-UC RH1V2-ULC —
DPDT RH2V2-U RH2V2-UL RH2V2-UC RH2V2-ULC —
3PDT RH3V2-U RH3V2-UL RH3V2-UC RH3V2-ULC —
4PDT RH4V2-U RH4V2-UL RH4V2-UC RH4V2-ULC —
Ratings
Rated Current ±15% at 20°C
60Hz 50Hz
Coil Resistance ±15% at 20°C
SPDT DPDT 3PDT 4PDT SPDT DPDT 3PDT 4PDT SPDT DPDT 3PDT 4PDT
SPDT DPDT 3PDT 4PDT SPDT DPDT 3PDT 4PDT
* For RH2 relays = 110/120V AC.
† For RH2 relays = 220/240V AC.
‡ For RH2 relays = 100/110V DC.
E
Relays
Coil Inductance
Rated Voltage
Coil Inrush
Energizing De-Energizing
SPDT DPDT 3PDT 4PDT SPDT DPDT 3PDT 4PDT SPDT DPDT 3PDT 4PDT
6V 250mA 340mA 520mA 620mA 0.09H 0.08H 0.05H 0.05H 0.06H 0.04H 0.03H 0.02H
12V 120mA 170mA 260mA 310mA 0.037H 0.30H 0.22H 0.18H 0.22H 0.16H 0.12H 0.10H
24V 56mA 85mA 130mA 165mA 1.5H 1.2H 0.9H 0.73H 0.9H 0.63H 0.5H 0.36H
AC
120V* 12mA 16mA 26mA 33mA 37H 33H 21H 18H 22H 15H 12H 9H
240V† 7mA 8mA 12mA 16mA 130H 130H 84H 73H 77H 62H 47H 36H
SPDT DPDT 3PDT 4PDT SPDT DPDT 3PDT 4PDT
6V
12V
24V
DC
48V
110V
* For RH2 relays = 110/120V AC.
† For RH2 relays = 220/240V AC.
N/A N/A N/A N/A N/A N/A N/A N/A
www.idec.com USA: (800) 262-IDEC or (408) 747-0550, Canada: (888) 317-IDEC E-13
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