RA2450-D06 Datasheet RA4890-D12, RA4890HA12, RA4850HA12 | P1-P3

Specifications are subject to change without notice (28.04.2015) 1

• AC Solid State Relay

• Zero switching

• Direct copper bonding technology

• Rated operational current: 25, 50 and 90 AACrms

• Blocking voltage: Up to 1200 V

• Rated operational voltage: Up to 480 VACrms

• 3 input ranges: 3 to 32 VDC, 10 to 90 VAC/DC and

90 to 280 VAC/DC

• Isolation: OPTO (input-output) 4000 VACrms

Product Description

The zero switching relay with

antiparallel thyristor output is

the most widely used indus-

trial SSR due to its multiple

application possibilities. The

relay can be used for resis-

Solid State Relay

Switching mode

Rated operational voltage

Rated operational current

Control voltage

Blocking voltage

Ordering Key

Solid State Relays

tive, inductive and capacitive

loads. The zero switching re-

lay switches ON when the

sine curve just crosses zero

and switches OFF when the

current crosses zero.

Type Selection

Switching mode Rated operational Rated operational Control voltage Blocking voltage

voltage current

A: Zero switching 24: 230 VACrms 25: 25 AACrms -D: 3 to 32 VDC 06: 650 V

44: 400 VACrms 50: 50 AACrms LA: 10 to 90 VAC/DC 08: 850 V

48: 480 VACrms 90: 90 AACrms HA: 90 to 280 VAC/DC 12: 1200 V

Selection Guide

Rated opera- Blocking Control voltage Rated operational current

tional voltage voltage 25 AACrms 50 AACrms 90 AACrms

3 to 32 VDC RA 2425 -D 06 RA 2450 -D 06 RA 2490 -D 06

230 VACrms 650 V

10 to 90 VAC/DC RA 2425 LA 06 RA 2450 LA 06 RA 2490 LA 06

90 to 280 VAC/DC RA 2425 HA 06 RA 2450 HA 06 RA 2490 HA 06

3 to 32 VDC RA 4425 -D 08 RA 4450 -D 08 RA 4490 -D 08

400 VACrms 850 V

10 to 90 VAC/DC RA 4425 LA 08 RA 4450 LA 08 RA 4490 LA 08

90 to 280 VAC/DC RA 4425 HA 08 RA 4450 HA 08 RA 4490 HA 08

3 to 32 VDC RA 4825 -D 12 RA 4850 -D 12 RA 4890 -D 12

480 VACrms 1200 V

10 to 90 VAC/DC RA 4825 LA 12 RA 4850 LA 12 RA 4890 LA 12

90 to 280 VAC/DC RA 4825 HA 12 RA 4850 HA 12 RA 4890 HA 12

Industrial, 1-Phase ZS, Standard Range

Types RA 24.. .. 06/RA 44.. .. 08/RA 48.. .. 12

RA 24 25 LA 06

2 Specifications are subject to change without notice (28.04.2015)

RA 24.. .. 06, RA 44.. .. 08, RA 48.. .. 12

RA 24.. .. 06 RA 44.. .. 08 RA 48.. .. 12

Operational voltage range 24 to 280 VACrms 42 to 480 VACrms 42 to 530 VACrms

Blocking voltage ≥ 650 V

≥ 850 V

≥ 1200 V

Zero voltage turn-on ≤ 20 V ≤ 40 V ≤ 40 V

Operational frequency range 45 to 65 Hz 45 to 65 Hz 45 to 65 Hz

Power factor ≥ 0.5 @ 230 VACrms ≥ 0.5 @ 400 VACrms ≥ 0.5 @ 480 VACrms

Approvals UL, CSA UL, CSA UL, CSA

General Specifications

RA .... -D .. RA .... LA .. RA .... HA ..

Control voltage range 3 to 32 VDC 10 to 90 VAC/DC 90 to 280 VAC/DC

Pick-up voltage ≤ 3 VDC ≤ 10 VAC/DC ≤ 90 VAC/DC

Drop-out voltage ≥ 1 VDC ≥ 1 VAC/DC ≥ 10 VAC/DC

Reverse voltage ≤ 32 VDC

Input impedance 1.5 kΩ 5.4 kΩ 44 kΩ

Response time pick-up ≤ 1/2 cycle ≤ 1 cycle ≤ 1 cycle

Control pulse width ≥ 0.5 ms ≥ 0.5 ms ≥ 0.5 ms

Response time drop-out ≤ 1/2 cycle ≤ 1/2 cycle ≤ 1/2 cycle

Input Specifications

Output Specifications

RA..25 .. .. RA ..50 .. .. RA ..90 .. ..

Rated operational current AC 51 25 Arms 50 Arms 90 Arms

AC 53a 5 Arms 15 Arms 20 Arms

Minimum operational current 150 mArms 250 mArms 400 mArms

Rep. overload current t=1 s ≤ 55 Arms ≤ 125 Arms ≤ 150 Arms

Non-rep. surge current t=10 ms 325 A

600 A

1150 A

Off-state leakage current

@ rated voltage and frequency ≤ 3 mArms ≤ 3 mArms ≤ 3 mArms

t for fusing t=10 ms ≤ 525 A

s ≤ 1800 A

s ≤ 6600 A

On-state voltage drop

@ rated current ≤ 1.6 Vrms ≤ 1.6 Vrms ≤ 1.6 Vrms

Critical dV/dt commutating ≥ 500 V/µs ≥ 500 V/µs ≥ 500 V/µs

Critical dV/dt off-state ≥ 500 V/µs ≥ 500 V/µs ≥ 500 V/µs

RA ..10 .. .. RA ..25 .. .. RA ..50 .. .. RA ..90 .. ..

Operating temperature -20 to +70 °C -20 to +70 °C -20 to +70 °C -20 to +70 °C

(-4° to +158°F) (-4° to +158°F) (-4° to +158°F) (-4° to +158°F)

Storage temperature -40 to +100 °C -40 to +100 °C -40 to +100 °C -40 to +100 °C

(-40° to +212°F) (-40° to +212°F) (-40° to +212°F) (-40° to +212°F)

Junction temperature ≤125 C ( ≤ 257°F) ≤125 C ( ≤257°F) ≤125 C ( ≤257°F) ≤125 C ( ≤ 257°F)

junction to case ≤ 2.0 K/W ≤ 1.25 K/W ≤ 0.65 K/W ≤ 0.3 K/W

junction to ambient ≤ 12.5 K/W ≤ 12 K/W ≤ 12 K/W ≤ 12 K/W

Thermal Specifications

Specifications are subject to change without notice (28.04.2015) 3

RA 24.. .. 06, RA 44.. .. 08, RA 48.. .. 12

Rated isolation voltage

Input to output ≥ 4000 VACrms

Rated isolation voltage

Output to case ≥ 4000 VACrms

Insulation resistance

Input to output ≥ 10

Insulation resistance

Ouput to case ≥ 10

Insulation capacitance

Input to output ≤ 8 pF

Insulation capacitance

Output to case ≤ 100 pF

Isolation

Wiring Diagram

Functional Diagram

Control

input

Mains input/load output

Control

input

ine/load

All dimensions in mm

Dimensions

Load output/mains input

Weight Approx. 110 g

Housing material Noryl GFN 1, black

Base plate 25, 50 A Aluminium, nickel-plated

90 A Copper, nickel-plated

Potting compound Polyurethane

Relay

Mounting screws M5

Mounting torque ≤ 1.5 Nm

Control terminal

Mounting screws M3 x 6

Mounting torque ≤ 0.5 Nm

Power terminal

Mounting screws M5 x 6

Mounting torque ≤ 2.4 Nm

Housing Specifications

** = ± 0.4 mm

*** = ± 0.5 mm

***

*** ***

***

Accessories

Protection cover

Heatsinks

DIN rail adapter

Varistors

Fuses

For further information refer

to "General Accessories".

P1-P3 P4-P5

RA2450-D06

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Description:

SSR RELAY SPST-NO 50A 24-280V

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RA2450-D06

RA2450-D06

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