Datasheet

2 Specifications are subject to change without notice (05.09.2007)
RZ3A..25.. RZ3A..55.. RZ3A..75..
Rated operational current
AC51 @ Ta=25°C 25 Arms 55 Arms 75 Arms
AC53a @ Ta=25°C 5 Arms 15 Arms 20 Arms
Minimum operational current 150 mArms 250 mArms 400 mArms
Rep. overload current t=1 s 37 Arms < 125 Arms < 150 Arms
Non-rep. surge current
t = 10 ms 300 A
p
600 A
p
1150 A
p
Off-state leakage current < 3 mArms < 3 mArms < 3 mArms
I
2
t for fusing t = 10 ms 450 A
2
s 1800 A
2
s 6600 A
2
s
On-state voltage drop ≤ 1.6 Vrms ≤ 1.6 Vrms ≤ 1.6 Vrms
Critical dV/dt off-state ≥ 500 V/µs ≥ 500 V/µs ≥ 500 V/µs
RZ3A40.. RZ3A48.. RZ3A60..
Operational voltage range 24-440 VAC 42-530 VAC 42-660 VAC
Blocking voltage 850 V
p
1200 V
p
1600 V
p
Operational frequency range 45 to 65 Hz 45 to 65 Hz 45 to 65 Hz
Overvoltage category III III III
Pollution degree 3 3 3
Approvals UL, cUL, CSA UL, cUL, CSA UL, cUL,CSA
CE-marking Yes Yes Yes
General Specifications
RZ3A
Input Specifications
RZ3A..LD.. RZ3A..D.. RZ3A..A..
Control voltage range 5 VDC 4-32 VDC 24-275 VAC/24-50 VDC
Pick-up voltage 4.5 VDC 3.8 VDC 18 VAC/20 VDC
Drop-out voltage 1.2 VDC 1.2 VDC 9 VAC/DC
Input current ≤ 15 mA ≤ 23 mA ≤ 15 mA
Response time pick-up
Power output = 50 Hz 10 ms 10 ms 20 ms
Response time drop-out
Power output = 50 Hz 10 ms 10 ms 30 ms
All data specified at Ta=25°C
Output Specifications
Over-temperature Protection (Option: ...P)
*After over-temperature condition is removed, SSR can be reset by switching OFF the control input for more than 20 ms and switching back ON: this will
*switch ON the SSR output
SSR Input*
Green LED
Red LED
SSR Output
Alarm status
Over-temperature
sensing
Closed
Open
Over-temperature
detection
≥ 20ms
Over-temperature protection is ON
SSR output disabled