RK
2-pole solid state relays
Benefits
•
Space savings.
The RK series consists of two solid
state relays contained in one housing having a product
width of 45mm.
•
Fast installation.
The RK solid state relay is ready for
mounting to panel chassis or heatsink as the backplate is
equipped with a pre-attached thermal interface.
•
Easy wiring.
The RK..P models are equipped with a
pluggable spring terminal for easy and fast wiring of
control connections.
•
Low equipment downtime.
The output of each pole is
protected against over-voltages with an integrated transil.
•
Long lifetime.
Wire bonding technology reduces thermal
and mechanical stresses of the output chips allowing a
larger number of operational cycles compared to other
assembly technologies.
•
User friendly.
LED indication per pole for visual
indication of control status.
•
Food & Beverage certification conformance.
The RK
is certified for 100,000 cycle endurance test according
to UL508.
Description
The RK series consists of 2-pole solid state relays
contained in one housing with the possibility to
control each pole independently (RKD2.. models)
or both poles together (RK2.. models). Ratings for
both versions go up to 600 VAC, 75 AAC per pole.
The RK..C models have control termination
through a 2.54mm pitch connector. Terminated
cables to mate with the RK..C are available and
have to be ordered separately. The RK..P models
have control termination with a 5.08mm pitch plug
connector. In this case, the control plug is shipped
with the solid state relay.
Applications
Plastic extrusion machines, thermoforming machines, blow moulding machines, coffee machines, electrical
ovens, vending machines, soldering ovens, dryers, climatic chambers, air handling units, plastic sealing
machines, shrink tunnels, etc.
Main functions
•
2-pole AC solid state relay with either independent control for each pole or common control.
•
Zero cross or instant on switching.
•
4-32 VDC control voltage.
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RK
References
Order code
RK
2
D
Enter the code entering the corresponding option instead of
Code
R
K
Option
-
-
D
-
A
B
23
60
-
50
51
75
C
P
Description
Notes
2
Dual control (independent control for each pole)
Common control for the two poles
Switching mode: zero cross (ZC)
Switching mode: instant on (IO)
Rated voltage: 230 VAC (24-265 VAC) 50/60 Hz
Rated voltage: 600 VAC (42-660 VAC) 50/60 Hz
Rated current / pole (with heatsink): 50 AAC
Rated current / pole (with heatsink): 50 AAC high l
2
t
Rated current / pole (with heatsink): 75 AAC
Control termination: 2.54 mm pitch connector pins
Control termination: 5.08 mm pitch plug connector
For RK..60 only
For RKD2A only
D
For RK..A only
For RK..60 only
Selection guide: RKD2
Rated output
voltage,
Switching mode
230 VAC, ZC
600 VAC, ZC
600 VAC, IO
Control voltage
4-32 VDC
4-32 VDC
4-32 VDC
Control
termination
Connector pins
Plug
Connector pins
Plug
Connector pins
Plug
Rated operational current (I
2
t value)
50 AAC
75 AAC
50 AAC
(3000 A
2
s)
(9800 A
2
s)
(1500 A
2
s)
RKD2A23D50C
RKD2A23D51C
-
RKD2A23D50P
RKD2A23D51P
-
RKD2A60D50C
RKD2A60D51C
RKD2A60D75C
RKD2A60D50P
RKD2A60D51P
RKD2A60D75P
RKD2B60D50C
-
RKD2B60D75C
RKD2B60D50P
-
RKD2B60D75P
Selection guide: RK2
Rated output
voltage,
Switching mode
600 VAC, ZC
600 VAC, IO
Control voltage
4-32 VDC
4-32 VDC
Control
termination
Connector pins
Plug
Plug
Rated operational current (I
2
t value)
50 AAC
75 AAC
50 AAC
2
2
(3000 A s)
(9800 A
2
s)
(1500 A s)
RK2A60D50C
RK2A60D51C
RK2A60D75C
RK2A60D50P
RK2A60D51P
RK2A60D75P
RK2B60D50P
-
RK2B60D75P
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RK
Structure
RK..C
RK..P
1/L1
3/L2
A1(+)
A2(-)
B1(+)
B2(-)
4/T2
LEDs
2/T1
Element
1/L1
2/T1
3/L2
4/T2
A1(+)
A2(-)
B1(+)
B2(-)
LEDs
Component
Power connection
Power connection
Power connection
Power connection
Control connection
Control connection
Control connection
Control connection
LEDs indicators
Mains connection for Pole A
Load connection for Pole A
Mains connection for Pole B
Load connection for Pole B
Control signal for Pole A
Control signal for Pole A & B
Ground for Pole A
Ground for Pole A & B
Control signal for Pole B
-
Ground for Pole B
-
LED ON when control input is applied
RKD2
Function
RK2
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RK
Features
General
Material
Weight
Touch protection
Overvoltage category
Isolation
LED indication
PA66, RAL7035
RK..C: approx. 101 g
RKD2..P: approx. 106 g
RK2..P: approx. 102 g
IP 20
III, 6 kV (1.2/50µs) rated impulse withstand voltage
Input to output: 4000 Vrms
Input and output to case: 4000 Vrms
Continously ON Green LED when control input is applied
Note: in the case of the RKD2 models, the two LED indications represent the control status of each independent
control. In the case of the RK2 models, the two LEDs represent the status of the common control input and
hence both LEDs are ON when the control input is applied to the RK2 and both LEDs are OFF when the control
input is removed.
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