RH Series 726 www.idec.com Switches & Pilot Lights Display Lights Relays & Sockets Timers Terminal Blocks Circuit Breakers Relays & Sockets RH Series Compact Power Relays SPDT through 4PDT, 10A contacts Compact power type relays The RH series are miniature power relays with a large capacity. The RH relays feature 10A contact capacity as large as the RR series but in a miniature package. The compact size saves space. Part Number Selection Part Number Contact Model Blade Terminal PCB Terminal Coil Voltage Code (Standard Stock in bold) SPDT Basic RH1B-U RH1V2-U AC6V, AC12V, AC24V, AC110V, AC120V, AC220V, AC240V DC6V, DC12V, DC24V, DC48V, DC110V With Indicator RH1B-UL — With Check Button RH1B-UC — With Indicator and Check Button RH1B-ULC — Top Bracket Mounting RH1B-UT — With Diode (DC coil only) RH1B-UD RH1V2-UD DC6V, DC12V, DC24V, DC48V, DC110V With Indicator and Diode (DC coil only) RH1B-ULD — DC12V, DC24V, DC48V, DC110V DPDT Basic RH2B-U RH2V2-U AC6V, AC12V, AC24V, AC110-120V, AC220-240V DC6V, DC12V, DC24V, DC48V, DC100-110V With Indicator RH2B-UL RH2V2-UL With Check Button RH2B-UC — With Indicator and Check Button RH2B-ULC — Top Bracket Mounting RH2B-UT — With Diode (DC coil only) RH2B-UD RH2V2-UD DC6V, DC12V, DC24V, DC48V, DC100-110V With Indicator and Diode (DC coil only) RH2B-ULD — 3PDT Basic RH3B-U RH3V2-U AC6V, AC12V, AC24V, AC110V, AC120V, AC220V, AC240V DC6V, DC12V, DC24V, DC48V, DC110V With Indicator RH3B-UL RH3V2-UL With Check Button RH3B-UC — With Indicator and Check Button RH3B-ULC — Top Bracket Mounting RH3B-UT — With Diode (DC coil only) RH3B-D* RH3V2-D* DC6V, DC12V, DC24V, DC48V, DC110V With Indicator and Diode (DC coil only) RH3B-LD* — 4PDT Basic RH4B-U RH4V2-U AC6V, AC12V, AC24V, AC110V, AC120V, AC220V, AC240V DC6V, DC12V, DC24V, DC48V, DC110V With Indicator RH4B-UL RH4V2-UL With Check Button RH4B-UC — With Indicator and Check Button RH4B-ULC — Top Bracket Mounting RH4B-UT — With Diode (DC coil only) RH4B-UD RH4V2-UD DC6V, DC12V, DC24V, DC48V, DC110V With Indicator and Diode (DC coil only) RH4B-LD* — 1. *Carries no UL recognition mark. 2. PCB terminal relays are designed to mount directly to a circuit board without any socket. Ordering Information When ordering, specify the Part No. and coil voltage code: (example) RH3B-U AC120V Part No. Coil Voltage Code Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
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RH Series
726 www.idec.com
Sw
itch
es &
Pil
ot L
ight
sD
ispl
ay L
ight
sR
elay
s &
Soc
kets
Tim
ers
Term
inal
Blo
cks
Cir
cuit
Bre
aker
s
Relays & Sockets
RH Series Compact Power Relays
SPDT through 4PDT, 10A contacts Compact power type relays
The RH series are miniature power relays with a large capacity. The RH relays feature 10A contact capacity as large as the RR series but in a miniature package. The compact size saves space.
With Indicator and Diode (DC coil only) RH4B-LD* —
1. *Carries no UL recognition mark.2. PCB terminal relays are designed to mount directly to a circuit board without any socket. Ordering Information
When ordering, specify the Part No. and coil voltage code:
(example) RH3B-U AC120V
Part No. Coil Voltage Code
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
Relays Standard DIN Rail Mount 1 Finger-safe DIN Rail Mount 1 Through Panel Mount PCB Mount
RH1B SH1B-05 SH1B-O5C SH1B-51 SH1B-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.
RH2B SH2B-05 SH2B-05C SH2B-51 SH2B-62
RH3B SH3B-05 SH3B-05C SH3B-51 SH3B-62
RH4B SH4B-05 SH4B-05C SH4B-51 SH4B-62
Hold Down Springs & Clips
Appearance Description RelayFor DIN Mount Socket
For Through Panel & PCB Mount Socket
Min Order Qty
Pullover Wire Spring
RH1B SY2S-02F1 2
SY4S-51F1 10
2. Must use horseshoe clip when mounting in DIN mount socket. Replacement horseshoe clip part number is Y778-011.
3. Two required per relay.
RH2B SY4S-02F1 2
RH3B SH3B-05F1 2
RH4B SH4B-02F1 2
Leaf Spring (side latch)
RH1B, RH2B, RH3B, RH4B SFA-202 3 SFA-302 3
20
Leaf Spring (top latch)
RH1B, RH2B, RH3B, RH4B SFA-101 3 SFA-301 3
AC Coil Ratings
Voltage (V)
Rated Current (mA) ±15% at 20°C Coil Resistance (Ω)±10% at 20°C
Operation Characteristics(against rated values at 20ºC)AC 50Hz AC 60Hz
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
SH1B-05(Coil) M3 screws(contact) M3.5 screws with captive wire clamp
250V, 10A Maximum up to 2–#12AWG5.5 - 9 in•lbs9 - 11.5 in•lbs
SH2B-05SH3B-05SH4B-05
M3.5 screws with captive wire clamp 300V, 10A Maximum up to 2–#12AWG 9 - 11.5 in•lbs
Finger-safe DIN Rail Mount
SH1B-05C(coil) M3 screws(contact) M3.5 screws with captive wire clamp, fi ngersafe
250V, 10A Maximum up to 2–#12AWG5.5 - 9 in•lbs9 - 11.5 in•lbs
SH2B-05CSH3B-05CSH4B-05C
M3.5 screws with captive wire clamp, fi ngersafe 300V, 10A Maximum up to 2–#12AWG 9 - 11.5 in•lbs
ThroughPanel Mount Socket
SH1B-51SH2B-51SH3B-51SH4B-51
Solder 300V, 10A — —
PCB Mount Socket
SH1B-62 PCB mount 250V, 10A — —
SH2B-62SH3B-62SH4B-62
PCB mount 300V, 10A — —
Accessories
Description Appearance Use with Part No. Remarks
Aluminum DIN Rail (1 meter length)
All DIN rail sockets BNDN1000
IDEC offers a low-profi le DIN rail (BNDN1000). The BNDN1000 is de-signed 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
DIN rail BNL5 9.1 mm wide.
Replacement Hold-Down Spring Anchor
DIN mount sockets and hold down springs.
Y778-011For use on DIN rail mount socket when using pullover wire hold down spring. 2 pieces included with each socket.
UL Ratings
Voltage
Resistive General Use Horse Power Rating
RH1RH2
RH3 RH4RH1RH2
RH3 RH4RH1RH2
RH3 RH4
240V AC 10A 7.5A 7.5A 7A 6.5A 5A 1/3 HP 1/3 HP —
120V AC — 10A 10A — 7.5A 7.5A 1/6 HP 1/6 HP —
30V DC 10A 10A — 7A — — — — —
28V DC — — 10A — — — — — —
CSA Ratings
VoltageResistive General Use
Horse Power Rating
RH1 RH2 RH3 RH4 RH1 RH2 RH3 RH4 RH1, 2, 3
240V AC 10A 10A — 7.5A 7A 7A 7A 5A 1/3 HP
120V AC 10A 10A 10A 10A 7.5A 7.5A — 7.5A 1/6 HP
30V DC 10A 10A 10A 10A 7A 7.5A — — —
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
Insulation Resistance 100MΩ minimum (500V DC megger)
Dielectric Strength 3
SPDTBetween live and dead parts: 2,000V AC, 1 minuteBetween contact and coil: 2,000V AC, 1 minuteBetween contacts of the same pole: 1,000V AC, 1 minute
DPDT3PDT4PDT
Between live and dead parts: 2,000V AC, 1 minuteBetween contact and coil: 2,000V AC, 1 minuteBetween contacts of different poles: 2,000V AC, 1 minuteBetween contacts of the same pole: 1,000V AC, 1 minute
Operating FrequencyElectrical: 1,800 operations/hour maximumMechanical: 18,000 operations/hour maximum
Vibration ResistanceDamage limits: 10 to 55Hz, amplitude 0.5 mmOperating extremes: 10 to 55Hz, amplitude 0.5 mm
Note: Above values are initial values.1. Measured using 5V DC, 1A voltage drop method2. Measured at the rated voltage (at 20°C), excluding contact bouncing
Release time of relays with diode: 40 ms maximum3. 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.
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
240V AC inductive120V AC inductive 240V AC resistive
Life
(×
10,0
00 o
pera
tions
)
(RH1)
1 3 5 7 92 4 6 8 10
50
20
10
100
500
1000
Load Current (A)
30V DC resistive
100V DC inductive
30V DC inductive
100V DC resistiveLife
(×
10,0
00 o
pera
tions
)
(RH1)
1 3 5 7 92 4 6 8 10
50
20
10
100
500
1000
Load Current (A)
120V AC resistive
240V AC inductive120V AC inductive240V AC resistive
Life
(×
10,0
00 o
pera
tions
)
(RH2)
1 3 5 7 92 4 6 8 10
50
20
10
100
500
1000
Load Current (A)
30V DC resistive
100V DC inductive
30V DCinductive100V DC resistiveLi
fe (
× 10
,000
ope
ratio
ns)
(RH2)
1 3 5 7 92 4 6 8 10
50
20
10
100
500
1000
Load Current (A)
120V AC resistive
240V AC inductive
120V AC inductive240V AC resistive
Life
(×
10,0
00 o
pera
tions
)
(RH3/RH4)
1 3 5 7 92 4 6 8 10
50
20
10
100
500
1000
Load Current (A)
30V DC resistive
100V DC inductive
30V DC inductive
100V DC resistive
Life
(×
10,0
00 o
pera
tions
)
(RH3/RH4)
Maximum Switching Capacity
1 5
0.5
1.0
5.0
10.0
10 100 200 300500.1
Load Voltage (V)
Load
Cur
rent
(A
)
DC inductive
DC resistive
AC inductive
AC resistive
(RH1)
1 5
0.5
1.0
5.0
10.0
10 100 200 300500.1
DC inductive
DC resistive
AC resistive
AC inductive
Load Voltage (V)
Load
Cur
rent
(A
)
(RH2/RH3/RH4)
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
Continuous Load Current vs. Operating Temperature Curve (Basic Type, With Check Button, and Top Bracket Mounting Type)
10
10
20
30
40
50
60
70
80
90
100
3 5 7 92 4 6 8 10
DC Coil
AC Coil
Note: The rated voltage is applied to the coil.
Load Current (A)
Ope
ratin
g Te
mpe
ratu
re (
C)
(RH1)
10
10
20
30
40
50
60
70
80
90
100
3 5 7 92 4 6 8 10
DC Coil
AC Coil
Load Current (A)
Ope
ratin
g Te
mpe
ratu
re (
C)
Note: The rated voltage is applied to the coil.
(RH2)
10
10
20
30
40
50
60
70
80
90
100
3 5 7 92 4 6 8 10
AC/DC Coil
Load Current (A)
Ope
ratin
g Te
mpe
ratu
re (
C)
Note: The rated voltage is applied to the coil.
(RH3/RH4)
Internal Connection (View from Bottom)Basic Type
SPDT DPDT 3PDT 4PDT With Check Button
FrontPushbutton
Contacts can be operated by pressing the check button.
1
5
13 14
9
( – ) ( + )
1
5
13 14
9
4
8
12
( – ) ( + )
1
5
13 14
9
4
8
2
6
1210
( – ) ( + )
1
5
13 14
9
2
6
10
3
7
11
4
8
12
( – ) ( + )
With Indicator (-L type)
SPDT 3PDT 4PDT DPDT
Below 100V AC/DC
1
5
13 14
9
( – ) ( + )
1
5
9
4
8
2
6
1210
13 14( – ) ( + )
1
5
13 14
9
2
6
10
3
7
11
4
8
12
( – ) ( + )
Below 24V AC/DC
1
5
13 14
9
4
8
12
( – ) ( + )When the relay is energized, the indicator goes on.
Relay coils less than 100V DC do not contain a protec-tion diode (except DPDT).Relay coils below 100V use LED indicator, coils above 100V use neon lamp indicator.
•
•
100V AC/DC and over
1
5
13 14
9
( – ) ( + )
1
5
9
4
8
2
6
1210
13 14( – ) ( + ) ( – ) ( + )
1
5
13 14
9
2
6
10
3
7
11
4
8
1224V AC/DC and over
1
5
13 14
9
4
8
12
( – ) ( + )
With Diode (-D type)
SPDT DPDT 3PDT 4PDT
1
5
13 14
9
( – ) ( + )
1
5
13 14
9
4
8
12
( – ) ( + )
1
5
13 14
9
2
6
10
4
8
12
( – ) ( + )
1
5
13 14
9
2
6
10
3
7
11
4
8
12
( – ) ( + )
Contains a diode to absorb the back emf generated when the coil is de-energized. The release time is slightly longer. Available for DC coil only.
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
Total length from panel surface including relay socket
Dimensions in the ( )include a hold-down spring.
ø2.6 hole
ø2.6 hole
13
1
5
9
14
3.514.5 35.6 max. 6.4
5.42
3843.2
27.5
6.6
5.9
4.7
0.5
4.7
ø2.6 hole
1 4
5 8
9 12
13 14
3.5
21.5
2
35.6 max. 6.4
3843.2
27.5
4.7
5.9
7.25
0.5
4.7
10
RH3B-UT RH4B-UT
ø2.6 hole
13 14
1 2 4
865
9 10 12
21.5
31.5 35.6 max. 6.4
3.5
3843.2
28
1010
4.7
2
4.7
5.9
7.25
0.5
ø2.6 hole
1010
104.
7
2
35.6 max. 6.4
42 max.
13
12
14
1 2 3 4
7 865
9 10 11
28
41.5
28
3.5
3844
4.7
5.9
7.25
0.5
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
(Tolerance ±0.1)∗ 36 min. when using hold-down springs
31 m
in.∗
4.
7
31.3
6.85
6.6
6.65
12.5
10 10 10
(Bottom View)
Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com