1. Space-saving type with four independent points on a
base measuring 33
×
67 mm
1.299
×
2.638 inch.
Contributes
to a more compact control panel.
2. PhotoMOS Power type, for high reliability and long life,
are installed.
This type is equipped with PhotoMOS Power type which have a
reputation for high reliability and long life. Helps make devices
maintenance-free.
3. Can be mounted on a DIN rail or mounted directly (by
screws).
4. Equipped with an LED display to allow easy confirmation
of operation.
5. Possible to select relay for use in the 4-point terminal in
accordance with load.
4-point Terminal
(PhotoMOS Power type)
Mountable relay
RT-3 Unit relay
RoHS compliant
PhotoMOS Power type
TYPES
1. RT-3 Unit relay
Contact
arrangement
1 Form A
×
4
Type
DC only
(Equipped with AQZ102)
AC/DC dual use
(Equipped with AQZ204)
Rated input
voltage
12 V DC
24 V DC
12 V DC
24 V DC
Part No.
RT3SP1-12V
RT3SP1-24V
RT3SP2-12V
RT3SP2-24V
2. 4-point Terminal
Type
PhotoMOS Power type
Rated input
voltage
12 V DC
24 V DC
Part No.
RT3BB12V
RT3BB24V
Standard packing: Carton: 1 pc.; Case: 20 pcs.
Standard packing: Carton: 1 pc.; Case: 20 pcs.
Notes: 1. Only for use with PhotoMOS Power standard type relays. Cannot be
equipped with PA relays.
2. Please inquire other contact arrangement.
3. Mountable relays for 4-point Terminal (per relay, at 25°C
77°F,
initial)
Possible relays
Type
PhotoMOS Power type
(DC only)
Part No.
AQZ102
AQZ105
AQZ107
AQZ104
AQZ202
AQZ205
AQZ207
AQZ204
AQZ404 (1 Form B type)
Maximum load voltage
60V DC
100V DC
200V DC
400V DC
60V (peak)
100V (peak)
200V (peak)
400V (peak)
400V (peak)
Output
Recommended load voltage
Continuous load current
0 to 30V DC
2.00A
0 to 50V DC
1.50A
0 to 100V DC
0.70A
0 to 200V DC
0.40A
0 to 12V AC/0 to 30V DC
1.80A
0 to 24V AC/0 to 50V DC
1.20A
0 to 48V AC/0 to 100V DC
0.60A
0 to 125V AC/0 to 200V DC
0.30A
0 to 125V AC/0 to 200V DC
0.30A
Peak load current
9.0A
6.0A
3.0A
1.5A
9.0A
6.0A
3.0A
1.5A
1.5A
PhotoMOS Power type
(AC/DC dual use)
Notes: 1. Peak load current is limited to “100 ms, 1 shot”.
2. The ratings per point in the table above also apply during 4-point simultaneous operation.
3. Please use a load current that is within the range of the data given below in “REFERENCE DATA 2. Load current vs. ambient temperature characteristics”.
4. Be very careful regarding the polarity on the output side when equipped with AQZ10∗ (dedicated PhotoMOS power DC type).
5. Never equip a product with a relay other than those given above. Doing so can cause product malfunction, breakdown, and breakdown of connected devices.
RATING
1. Input ratings (per relay)
Part No.
RT3SP1-12V
RT3SP2-12V
RT3SP1-24V
RT3SP2-24V
Rated input
voltage
12 V DC
24 V DC
Operate voltage
(at 25°C
77°F)
Max. 9.5 V DC
(5.1 V typ.)
Max. 15.0 V DC
(6.8 V typ.)
Release voltage
(at 25°C
77°F)
Min. 3.0 V DC
(5.0 V typ.)
Min. 3.5 V DC
(6.5 V typ.)
Input current (during application of rated
input voltage) (at 25°C
77°F)
6.2 mA typ.
90% to 110% of rated input voltage
6.7 mA typ.
Allowable variation of rated input voltage
(at –20°C to +55°C
–4°F to +131°F)
Note: This product has a built-in input current limiting resistor; therefore, it is not necessary to externally connect a resistor to the input. The input voltage can be applied directly.
–1–
ASCTB9E 201408-T
RT-3 Unit Relay/4-point Terminal (PhotoMOS Power type)
2. Output ratings (per relay, at 25°C
77°F)
Part No.
RT3SP1-12V
RT3SP1-24V
RT3SP2-12V
RT3SP2-24V
Equipped relay
AQZ102
(DC only)
AQZ204
(AC/DC dual use)
Maximum load voltage
60 V
(DC)
400 V
(DC, AC peak value)
Recommended voltage
0 to 30 V (DC)
0 to 200 V (DC)
0 to 125 V (AC)
Continuous load current
2 A (DC)
0.3 A
(DC, AC peak value)
Peak load currant
9A
(100 ms 1 shot)
1.5 A
(100 ms 1 shot)
Notes: 1. During 4-point simultaneous operation, the rating per point is also as shown above.
2. The load current varies depending on ambient temperature. Refer to the “REFERENCE DATA 2. Load current vs. ambient temperature characteristics”.
SPECIFICATIONS
Breakdown
voltage
Item
Between input and output
Between different terminals
(between relays, both ways)
Specifications
2,000 Vrms
1,500 Vrms
Min. 100 MΩ (Measurement at same location as “Breakdown
voltage” section.)
10 to 55 Hz at double amplitude 1 mm
.039 inch
Min. 196 m/s
2
–20°C to +55°C
–4°F to +131°F
35% to 85% R.H.
–30°C to +80°C
–22°F to +176°F
0.3 to 0.5 N·m {3 to 5 kgf·cm}
1 A, inverse voltage 400 V
Approx. 100 g
3.53 oz
for 1 min.
for 1 min.
Using 500 V DC megger
In vertical, horizontal and longitudinal directions
In vertical, horizontal and longitudinal directions
Not freezing and condensing
Not condensing
Not freezing and condensing
Condition
Insulation resistance
Vibration resistance
Shock resistance
Ambient temperature
Ambient humidity
Storage temperature
Terminal screw fasten torque
Cross connection protecting diode
Unit weight
Notes: 1. The value of breakdown voltage and insulation resistance is the initial one.
2. Condensing occurs when the unit relay is exposed to sudden temperature change in a high temperature and high humidity atmosphere. This may cause some
troubles like insulation failure of the socket or the print circuit board. Take care under this condition.
3. Below 0°C
32°F,
condensing water can freeze and cause socket contact failures and other problems. Take care under this condition.
REFERENCE DATA
1. Load current vs. ambient temperature
characteristics (1)
Allowable ambient temperature: –20°C to +55°C
–4°F to +131°F
2
Load current, A
Load current, A
RT3SP1-12 or 24 V
(AQZ102 equipped type)
2. Load current vs. ambient temperature
characteristics (2)
Allowable ambient temperature: –20°C to +55°C
–4°F to +131°F
2
AQZ102
AQZ202
AQZ105
AQZ205
1
AQZ107
AQZ207 AQZ104
AQZ204, AQZ404
1
RT3SP2-12 or 24 V
(AQZ204 equipped type)
–20 –10 0
10 20 30 40 50 60
–4 14 32 50 68 86 104 122 140
Ambient temperature,
°C
°F
–20 –10 0
10 20 30 40 50 60
–4 14 32 50 68 86 104 122 140
Ambient temperature,
°C
°F
DIMENSIONS
(mm
inch)
1. External dimensions
7.62
.300
16-M3
.118
terminal screw
6.2
.244
33
±0.6
1.299
±.024
13+
9−
2. Schematic
Input terminal socket portion
14+
10−
15+
11−
16+
12−
Input side
8.4
.331
LED1
LED2
LED3
LED4
R2.1
.083
2-M4
.157
screw
mounting position
7.4
.291
4.2
+0.3
−0.1
.165
+.012
−.004
R3.7
.146
67
±1
2.638
±.039
Output side
5
+
1
−
6
+
2
−
7
+
3
−
8
+
4
−
Output terminal socket portion
5.5
±0.6
.217
±.024
4
.157
With cover removed
13.8
.543
Note: The polarities of the output terminal socket are
for the DC only type (equipped with AQZ10∗)
3. Mounting hole pattern
30
1.181
±.024
30
±0.1
1.181
±.004
±0.6
32
±1
1.260
±.039
2-4.3 dia. or M4
2-.169 dia. or M.157
General tolerance:
±0.3
±.012
–2–
ASCTB9E 201408-T
CAUTIONS FOR USE
RT-3 UNIT RELAY
4-POINT TERMINAL
Also, with the RT-3 Unit relay (PhotoMOS
Power type), be careful of the polarity on
the output side of the DC type (RT3SP1-
∗∗V
for type equipped with AQZ102).
2) We recommend the use of wire-
pressed terminals for connection to the
terminal portion.
• Example of applicable wire-pressed
terminal
Company
Name
J.S.T. Mfg
Co., Ltd.
Part Name
1.25 to C3A
Applicable wire-
pressed terminal
0.25 to 1.65mm
2
1. Never install modules (relays) into
this product other than those
designated. Doing so will cause
malfunction, breakdown, and
breakdown of the connected product.
2. If a unit is dropped be sure to check
its external appearance and
characteristics before using it.
3. The operation and return voltage
values when equipped with PA relays
are based on the relay terminals being
face down. (RT-3 Unit relay (PA type),
4-point Terminal)
4. Switching lifetime (PA relay)
This characteristic depends on the relay
and is effected by coil driving circuit, load
type, activation frequency, activation
phase, ambient conditions and other
factors.
Also, be especially careful of loads such
as those listed below.
1) When used for AC load-operating and
the operating phase is synchronous,
rocking and fusing can easily occur due
to contact shifting.
2) Frequent switching under load
condition
When high frequently switched under
load condition that can cause arc at the
contacts, nitrogen and oxygen in the air is
fused by the arc energy and HNO
3
is
formed. This can corrode metal materials.
Three countermeasures for these are
listed here.
(1) Incorporate an arc-extinguishing
circuit.
(2) Lower the operating frequency
(3) Lower the ambient humidity
5. Operating environment
1) Keep the product as far way as
possible from power cables, high tension
equipment, power equipment, equipment
with transmitting devices such as
amateur radios, or equipment which
generates a large switching surge.
2) The main unit is made of resin;
therefore, do not use it in areas where it
may come in contact with (or be exposed
to) organic solvents such as gasoline,
thinner, and alcohol, or strong alkaline
substances such as ammonia and
caustic soda.
3) Do not use the product in areas where
it may be exposed to flammable gases,
corrosive gases, excessive dust, or
moisture, or areas where it may be
subjected to strong vibration or shock.
6. Installing and removing the module
1) Firmly insert the module into the
socket with the terminals going in the
direction of the blade receptacles.
2) The module can be easily removed
using the removal key.
(1) Insert the removal key into the socket
slots.
3) When the load is inductive, limit spike
voltages generated from the load to less
than the maximum load voltage.
Typical circuits are shown below.
(1) Add a clamp diode to the load.
Output terminals
(2) Pull the removal key up to remove the
module.
Load
(2) Add an R-C snubber to the load.
Output terminals
Load
or
DC only for AQZ10∗D
equipped type
(3) Slide the removal key off of the
module.
(3) Add a varistor between the output
terminals.
Output terminals
Load
or
DC only for AQZ10∗D
equipped type
7. Wiring and circuit configuration
1) Perform wiring according to the
internal schematic. Take care not to make
any mistakes.
In particular, with the RT-3 Unit relay (PA
relay type) and 4-point terminal, be
careful of the polarity on the output side
when equipped with AQZ10∗D (DC type).
4) Even if spike voltages generated from
the load are limited by a clamp diode or
R-C snubber, inductances in long circuit
wires will still create spike voltages.
Keep wires as short as possible to
minimize inductance.
–1–
ASCTB246E 201408-T
CAUTIONS FOR USE
8. Installation
1) Perform mounting hole cutout
according to the panel cutout drawings.
2) When installing the unit on a DIN rail,
use the DIN rail locking lever on the side
of the unit. Installation is accomplished by
simply fitting the unit onto the rail and
pressing gently.
1
First push in
the DIN rail
locking lever.
DIN rail locking lever
DIN rail
3
Press the unit onto
the DIN rail.
2
Hook the holders on the
unit over the DIN rail.
3) To remove the unit from the DIN rail,
use a flat head screwdriver to pull out the
DIN rail locking lever.
3
Remove the unit from
the DIN rail.
9. Transporting and storage
1) If the product is subjected to extreme
vibration while being transported, the
relays may become detached, the lead
may become bent, and the unit may
become damaged. Handle the carton
and case with care.
2) If the product is stored in an extremely
adverse environment, visible defects and
deterioration of performance
characteristics may result. We
recommend the following storage
conditions.
• Temperature: 5 to 30°C
41 to 86°F
• Humidity: Max. 60% R.H.
• Environment: No hazardous
substances such as sulfurous acid
gases and little dust.
10. When equipped with PhotoMOS
Power voltage drive type [RT-3 Unit
relay (PA relay type), 4-point Terminal]
Since the PhotoMOS Power voltage
sensitive type does not require the
current-controlling resistance on the input
side, it can be used together with PA
relays on RT-3 unit relay (PA relay type).
When connecting PhotoMOS Power
voltage sensitive types, since it will be a
close connection, it will be necessary to
be careful of load currents. Be sure to
refer to the information given regarding
“Load currents vs ambient temperature
characteristics” in the precautions given
for use of 4-point terminals.
2
Move the
screwdriver in
the direction of
the arrows, and
pull out the lever.
1
Insert the tip of the flat head screwdriver
into the slot in the DIN rail locking lever.
TERMINAL BLOCK
We recommend using wire-pressed terminals for connection to the terminal portion.
• Applicable electrical wire: 0.25 to 1.65 mm
2
.01 to .065 inch
• Applicable wire-pressed terminals (mm
inch)
5.8 max.
.228 max.
3 min.
.118 min.
3 dia. min.
.118 dia. min.
5.8 max.
.228 max.
4
4.5 min.
.157 .177 min.
4
4.5 min.
.157 .117 min.
Company Name
J.S.T. Mfg Co., Ltd.
NICHIFU
Nippon Tanshi Co., Ltd.
Part Name
1.25 to C3A
1.25Y to 3N
VD1.25 to 3L
Part Name
1.25 to 3
1.25 to 3
R1.25 to 3
ACCESSORIES
Short circuit plate for RT-3 Unit relay
Use when you want to bridge terminals.
< With insulator >
< Without insulator >
AY3802
AY3803
External dimensions (mm
inch)
5.8
±0.1
.228
±.004
3.1
±0.1
.122
±.004
R
17.8
.701
13.8
.543
28.7
1.130
7.62
±0.3
.300
±.012
External dimensions (mm
inch)
28.7
1.130
7.62
±0.3
.300
±.012
0.5
.020
5.8
±0.1
.228
±.004
3.1
±0.1
.122
±.004
R
17
.669
13
.512
0.5
.020
+0
8
−3
.315
+0
−.118
28
+0.5
−1
1.102
+.020
−.039
General tolerance:
±0.5
±.020
1.5 to 2.5
.059 to .098
26.5
1.043
General tolerance:
±0.5
±.020
–2–
ASCTB246E 201408-T
Mouser Electronics
Authorized Distributor
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