2

Specifications are subject to change without notice (09.10.2020)

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 Vp

≥ 850 Vp

≥ 1200 Vp

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

CE, cURus, CSA, EAC

CE, cURus, CSA, EAC

CE, cURus, CSA, EAC

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 Ap

600 Ap

1150 Ap

Off-state leakage current

@ rated voltage and frequency

≤ 3 mArms

≤ 3 mArms

≤ 3 mArms

I2t for fusing t=10 ms

≤ 525 A2s

≤ 1800 A2s

≤ 6600 A2s

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