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
p
≥ 850 V
p
≥ 1200 V
p
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
p
600 A
p
1150 A
p
Off-state leakage current
@ rated voltage and frequency ≤ 3 mArms ≤ 3 mArms ≤ 3 mArms
I
2
t for fusing t=10 ms ≤ 525 A
2
s ≤ 1800 A
2
s ≤ 6600 A
2
s
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)
R
th
junction to case ≤ 2.0 K/W ≤ 1.25 K/W ≤ 0.65 K/W ≤ 0.3 K/W
R
th
junction to ambient ≤ 12.5 K/W ≤ 12 K/W ≤ 12 K/W ≤ 12 K/W
Thermal Specifications