Relays & Sockets
RH Series Compact Power Relays
Key features
• SPDT through 4PDT, 10A contacts
• Compact power type relays
• Miniature power relays with a large capacity
• 10A contact capacity
• Compact size saves space
RH
Switches & Pilot Lights
Signaling Lights
Part Number Selection
Part Number
Contact
Standard
SPDT
With Indicator
With Check Button
With Indicator and Check Button
Top Bracket Mounting
With Diode (DC coil only)
With Indicator and Diode (DC coil only)
DPDT
Standard
With Indicator
With Check Button
With Indicator and Check Button
Top Bracket Mounting
With Diode (DC coil only)
With Indicator and Diode (DC coil only)
3PDT
Standard
With Indicator
With Check Button
With Indicator and Check Button
Top Bracket Mounting
With Diode (DC coil only)
With Indicator and Diode (DC coil only)
4PDT
Standard
With Indicator
With Check Button
With Indicator and Check Button
Top Bracket Mounting
With Diode (DC coil only)
With Indicator and Diode (DC coil only)
PCB terminal relays are designed to mount directly to a circuit board without any socket.
Model
Blade
Terminal
RH1B-U
0
RH1B-UL
0
RH1B-UC
0
RH1B-ULC
0
RH1B-UT
0
RH1B-UD
0
RH1B-ULD
0
RH2B-U
0
RH2B-UL
0
RH2B-UC
0
RH2B-ULC
0
RH2B-UT
0
RH2B-UD
0
RH2B-ULD
0
RH3B-U
0
RH3B-UL
0
RH3B-UC
0
RH3B-ULC
0
RH3B-UT
0
RH3B-UD
0
RH3B-ULD
0
RH4B-U
0
RH4B-UL
0
RH4B-UC
0
RH4B-ULC
0
RH4B-UT
0
RH4B-UD
0
RH4B-ULD
0
PCB Terminal
RH1V2-U
0
—
—
—
—
RH1V2-UD
0
—
RH2V2-U
0
RH2V2-UL
0
—
—
—
RH2V2-UD
0
RH2V2-ULD
0
RH3V2-U
0
RH3V2-UL
0
—
—
—
—
—
RH4V2-U
0
RH4V2-UL
0
—
—
—
RH4V2-UD
0
—
Coil Voltage Code
(Standard Stock in bold)
Relays & Sockets
AC6V, AC12V,
AC24V,
AC110V,
AC120V,
AC220V,
AC240V
DC6V,
DC12V, DC24V,
DC48V, DC110V
DC6V,
DC12V, DC24V,
DC48V, DC110V
DC12V, DC24V,
DC48V, DC110V
Timers
AC6V, AC12V,
AC24V, AC110-120V,
AC220-240V
DC6V,
DC12V, DC24V,
DC48V, DC100-110V
DC6V,
DC12V, DC24V,
DC48V, DC100-110V
Contactors
AC6V, AC12V,
AC24V,
AC110V,
AC120V,
AC220V,
AC240V
DC6V,
DC12V, DC24V,
DC48V, DC110V
DC6V, DC12V, DC24V, DC48V, DC110V
Terminal Blocks
AC6V, AC12V,
AC24V,
AC110V,
AC120V,
AC220V,
AC240V
DC6V,
DC12V, DC24V,
DC48V,
DC110V
DC6V, DC12V, DC24V, DC48V, DC110V
Circuit Breakers
Ordering Information
When ordering, specify the Part No. and coil voltage code:
(example)
RH3B-U
Part No.
AC120V
Coil Voltage Code
1705151135
800-262-IDEC
(4332)
•
USA & Canada
873
RH
Switches & Pilot Lights
Relays & Sockets
Standard DIN Rail Mount
1
SH1B-05
SH2B-05
SH3B-05
SH4B-05
Finger-safe DIN Rail Mount
1
SH1B-O5C
SH2B-05C
SH3B-05C
SH4B-05C
Through Panel Mount
SH1B-51
SH2B-51
SH3B-51
SH4B-51
PCB Mount
SH1B-62
SH2B-62
SH3B-62
SH4B-62
1. DIN Rail mount
socket comes with
two horseshoe
clips. Do not use
unless you plan to
insert pullover wire
spring. Replacement
horseshoe clip part
number is Y778-011.
Sockets
(for Blade Terminal Models)
Relays
RH1B
RH2B
RH3B
RH4B
Signaling Lights
Hold Down Springs & Clips
Appearance
Item
Relay
RH1B
Pullover Wire Spring
RH2B
RH3B
RH4B
Leaf Spring (side latch)
RH1B, RH2B, RH3B, RH4B
For DIN
Mount Socket
SY2S-02F1
2
SY4S-02F1
2
SH3B-05F1
2
SH4B-02F1
2
SFA-202
3
SFA-302
3
SY4S-51F1
For Through Panel &
PCB Mount Socket
2. Must use horseshoe clip when
mounting in DIN mount socket.
Replacement horseshoe clip
part number is Y778-011.
3. Two required per relay.
Relays & Sockets
Leaf Spring (top latch)
RH1B, RH2B, RH3B, RH4B
SFA-101
3
SFA-301
3
AC Coil Ratings
Rated Current (mA) ±15% at 20°C
Timers
Voltage
(V)
6
12
24
110
Contactors
110-120
120
220
220-240
240
Terminal Blocks
AC 50Hz
SPDT
170
86
42
9.6
—
8.6
4.7
—
4.9
DPDT
240
121
60.5
—
9.4-
10.8
—
—
4.7-5.4
—
3PDT
330
165
81
18.1
—
16.4
8.8
—
8.2
4PDT
387
196
98
21.6
—
19.5
10.7
—
9.8
SPDT
150
75
37
8.4
—
7.5
4.1
—
4.3
AC 60Hz
DPDT
200
100
50
—
8.0-9.2
—
—
4.0-4.6
—
3PDT
280
140
70
15.5
—
14.2
7.7
—
7.1
8.3
4PDT
330
165
83
18.2
—
16.5
9.1
SPDT
18.8
76.8
300
6,950
—
8,100
25,892
—
26,710
Coil Resistance (Ω)
±10% at 20°C
DPDT
9.4
39.3
153
—
—
—
—
18,820
—
3PDT
6.4
25.3
103
2,200
—
10,800
10,800
—
12,100
4PDT
5.4
21.2
84.5
1,800
—
7,360
7,360
—
9,120
110%
80%
maximum
30%
minimum
Operation Characteristics
(against rated values at 20ºC)
Max. Continuous
Applied Voltage
Pickup
Voltage
Dropout
Voltage
DC Coil Ratings
Voltage
(V)
6
12
24
Rated Current (mA) ±15% at 20°C
SPDT
128
64
32
18
—
8
DPDT
150
75
36.9
18.5
8.2-9.0
—
3PDT
240
120
60
30
—
12.8
4PDT
250
125
62
31
—
15
SPDT
47
188
750
2,660
—
13,800
Coil Resistance (Ω)
±10% at 20°C
DPDT
40
160
650
2,600
12,250
—
3PDT
25
100
400
1,600
—
8,600
4PDT
24
96
388
1,550
—
7,340
110%
80%
maximum
10%
minimum
Standard coil
voltages are in
BOLD.
Operation Characteristics
(against rated values at 20ºC)
Max. Continuous
Applied Voltage
Pickup
Voltage
Dropout
Voltage
Circuit Breakers
48
100-110
110
874
www.IDEC.com
1705151135
Relays & Sockets
Contact Ratings
Maximum Contact Capacity
Model
Continuous
Current
Allowable Contact Power
Resistive
Load
1540VA
300W
Inductive
Load
990VA
210W
Rated Load
Voltage
(V)
110 AC
220 AC
30 DC
110 AC
220 AC
30 DC
Res.
Load
10A
7A
10A
10A
7.5A
10A
Ind.
Load
7A
4.5A
7A
7.5A
5A
7.5A
Voltage
RH1
Voltage
240V AC
120V AC
30V DC
28V DC
RH1
RH2
10A
—
10A
—
RH
Switches & Pilot Lights
UL Ratings
Resistive
RH3
7.5A
10A
10A
—
RH4
7.5A
10A
—
10A
General Use
RH1
RH2
7A
—
7A
—
RH3
6.5A
7.5A
—
—
RH4
5A
7.5A
—
—
Horsepower Rating
RH1
RH2
1/3 HP
1/6 HP
—
—
RH3
1/3 HP
1/6 HP
—
—
RH4
—
—
—
—
SPDT
10A
DPDT
3PDT
4PDT
10A
1650VA
300W
1100VA
225W
CSA Ratings
Resistive
RH2
10A
10A
10A
RH3
—
10A
10A
RH4
7.5A
10A
10A
RH1
7A
7.5A
7A
General Use
RH2
7A
7.5A
7.5A
RH3
7A
—
—
RH4
5A
7.5A
—
Horse-
power
Rating
RH1, 2, 3
1/3 HP
1/6 HP
—
Signaling Lights
Note: Inductive load for the rated load — cos ø = 0.3, L/R = 7 ms
TÜV Ratings
Voltage
240V AC
30V DC
RH1
10A
10A
RH2
10A
10A
RH3
7.5A
10A
RH4
7.5A
10A
240V AC
120V AC
30V DC
10A
10A
10A
Relays & Sockets
AC: cos ø = 1.0, DC: L/R = 0 ms
Socket Specifications
Sockets
DIN Rail
Mount
Sockets
SH1B-05
SH2B-05
SH3B-05
SH4B-05
SH1B-05C
SH2B-05C
SH3B-05C
SH4B-05C
SH1B-51
SH2B-51
SH3B-51
SH4B-51
SH1B-62
PCB Mount
Socket
SH2B-62
SH3B-62
SH4B-62
Terminal
(Coil) M3 screws
(contact) M3.5 screws with captive wire clamp
M3.5 screws with captive wire clamp
Electrical Rating
250V, 10A
300V, 10A
Wire Size
Maximum up to 2–#12AWG
Maximum up to 2–#12AWG
Maximum up to 2–#12AWG
Maximum up to 2–#12AWG
Torque
5.5 - 9 in•lbs
9 - 11.5 in•lbs
Timers
9 - 11.5 in•lbs
5.5 - 9 in•lbs
9 - 11.5 in•lbs
9 - 11.5 in•lbs
Contactors
Finger-safe
DIN Rail
Mount
Through
Panel
Mount
Socket
(coil) M3 screws
250V, 10A
(contact) M3.5 screws with captive wire clamp, fingersafe
M3.5 screws with captive wire clamp, fingersafe
300V, 10A
Solder
PCB mount
PCB mount
300V, 10A
250V, 10A
300V, 10A
—
—
—
—
—
—
Terminal Blocks
Accessories
Item
Aluminum
DIN Rail
(1 meter length)
Appearance
Use with
All DIN rail sockets
Part No.
BNDN1000
Remarks
The BNDN1000 is designed to accommodate DIN mount sockets.
Made of durable extruded aluminum, the BNDN1000 measures 0.413
(10.5mm) in height and 1.37 (35mm) in width (DIN standard). Standard
length is 39” (1,000mm).
DIN Rail End
Stop
Replacement
Hold-Down
Spring Anchor
Circuit Breakers
DIN rail
BNL5
9.1 mm wide.
DIN mount sockets and hold
down springs.
Y778-011
For use on DIN rail mount socket when using pullover wire hold down
spring. 2 pieces included with each socket.
1705151135
800-262-IDEC (4332)
•
USA & Canada
875
RH
Switches & Pilot Lights
Relays & Sockets
Silver cadmium oxide
50mΩ maximum
24V DC, 30 mA; 5V DC, 100 mA (reference value)
SPDT
DPDT
3PDT
4PDT
SPDT
DPDT
3PDT
4PDT
SPDT
DPDT
3PDT
4PDT
20ms maximum
25ms maximum
20ms maximum
25ms maximum
AC: 1.1VA (50Hz), 1VA (60Hz)
AC: 1.4VA (50Hz), 1.2VA (60Hz)
AC: 2VA (50Hz), 1.7VA (60Hz)
AC: 2.5VA (50Hz), 2VA (60Hz)
100MΩ minimum (500V DC megger)
SPDT
Between live and dead parts:
2,000V AC, 1 minute
Between contact and coil:
2,000V AC, 1 minute
Between contacts of the same pole: 1,000V AC, 1 minute
Between live and dead parts:
Between contact and coil:
Between contacts of different poles:
Between contacts of the same pole:
Electrical:
Mechanical:
Damage limits:
Operating extremes:
Damage limits:
Operating extremes:
2,000V AC, 1 minute
2,000V AC, 1 minute
2,000V AC, 1 minute
1,000V AC, 1 minute
DC: 0.8W
DC: 0.9W
DC: 1.5W
DC: 1.5W
Specifications
Contact Material
Contact Resistance
1
Minimum Applicable Load
Operating Time
2
Signaling Lights
Release Time
2
Power Consumption
(approx.)
Insulation Resistance
Relays & Sockets
Dielectric Strength
3
DPDT
3PDT
4PDT
Operating Frequency
Vibration Resistance
Shock Resistance
Mechanical Life
DPDT
Electrical Life
Contactors
SPDT
3PDT
4PDT
SPDT
DPDT
3PDT
4PDT
1,800 operations/hour maximum
18,000 operations/hour maximum
10 to 55Hz, amplitude 0.5 mm
10 to 55Hz, amplitude 0.5 mm
1,000m/s
2
(100G)
200m/s
2
(20G - SPDT, DPDT)
100m/s
2
(10G - 3PDT, 4PDT)
Timers
50,000,000 operations minimum
500,000 operations minimum (120V AC, 10A)
200,000 operations minimum (120V AC, 10A)
Operating
Temperature
4
Operating Humidity
Weight (approx.)
–25 to +70°C (no freezing)
45 to 85% RH (no condensation)
SPDT: 24g, DPDT: 37g, 3PDT: 50g, 4PDT: 74g
Circuit Breakers
Terminal Blocks
Note: Above values are initial values.
1. Measured using 5V DC, 1A voltage drop method
2. Measured at the rated voltage (at 20°C), excluding contact bouncing
Release time of relays with diode: 40 ms maximum
3. Relays with indicator or diode: 1000V AC, 1 minute
4. For use under different temperature conditions, refer to Continuous Load Current vs. Operating Temperature Curve. The operating
temperature range of relays with indicator or diode is –25 to +40°C.
876
www.IDEC.com
1705151135
Relays & Sockets
Characteristics (Reference Data)
Electrical Life Curves
AC Load
1000
RH
Switches & Pilot Lights
DC Load
1000
120V AC resistive
500
Life (X 10,000 operations)
Life (x 10,000 operations)
(RH1)
(RH1)
500
100
50
100
50
100V DC resistive
20
30V DC inductive
100V DC inductive
30V DC resistive
Signaling Lights
20
10
240V AC inductive
1
2
3
120V AC inductive
4
5
6
7
Load Current (A)
240V AC resistive
8
9
10
10
1
2
3
4
5
6
Load Current (A)
7
8
9
10
(RH2)
1000
500
120V AC resistive
(RH2)
1000
30V DC resistive
500
Relays & Sockets
100
50
240V AC inductive
20
10
240V AC resistive
120V AC inductive
Life (X 10,000 operations)
Life (x 10,000 operations)
100
30V DC
inductive
50
100V DC resistive
100V DC inductive
20
Timers
1
2
3
4
5
6
7
Load Current (A)
8
9
10
10
1
2
3
4
5
6
Load Current (A)
7
8
9
10
(RH3/RH4)
1000
500
120V AC resistive
(RH3/RH4)
1000
500
Life (X 10,000 operations)
30V DC resistive
Life (x 10,000 operations)
30V DC inductive
Contactors
100
50
100
50
20
10
240V AC inductive
20
100V DC resistive
100V DC inductive
240V AC resistive
120V AC inductive
4
5
6
Load Current (A)
7
8
9
10
1
2
3
10
1
2
3
4
5
6
Load Current (A)
7
8
9
10
Maximum Switching Capacity
(RH1)
10.0
AC resistive
5.0
AC inductive
Terminal Blocks
(RH2/RH3/RH4)
10.0
AC resistive
5.0
AC inductive
Load Current (A)
DC resistive
1.0
Load Current (A)
DC resistive
1.0
DC inductive
0.5
0.5
DC inductive
Circuit Breakers
0.1
1
5
10
Load Voltage (V)
50
100
200
300
0.1
1
5
10
Load Voltage (V)
50
100
200
300
1705151135
800-262-IDEC
(4332)
•
USA & Canada
877
