Unison UNI 901 MCBUR 60 90 420 CU2 1S Burst Fire Control SSR 901, 90 A

Brand
Unison
Model number
UNI 901 MCBUR 60 90 420 CU2 1S

Microcontroller-based burst-fire thyristor controller that spreads whole AC cycles evenly over a 1 or 4 second base, driving 90 A loads at 24-600 V AC from a 4-20 mA or 0-10 V DC signal.

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Key features

  • MICROCONTROLLER BASED BURST FIRE- 1 or 4 sec
  • Equally Distributed 1 half (1s)/4 half cycles (4s)
  • Input: 4 to 20mA/51E or 0-10VDC/1ME, Green LED
  • Input Fix Supply : 24VDC/30mA
  • Output : 24-600VAC (47-63 Hz), 90 Amp
  • PIV : 1600Vpk, I²T : 7200A²S for 9.6mS
  • Body & I/P. to O/P. insulation : 6kV for 1min
  • Short Circuit Protection by “B” Curve DP MCB
  • Resistive load Max 63 A SC protect by 63 A DP MCB
  • Short Circuit Current Rating : 10kA for <3mS

Specifications

Specifications
Input4 to 20mA/51E or 0-10VDC/1ME, Green LED
Input Fix Supply24VDC/30mA
Output24-600VAC (47-63 Hz), 90 Amp
PIV1600Vpk
I²T7200A²S for 9.6mS
Body & I/P. to O/P. insulation6kV for 1min
Short Circuit Current Rating10kA for <3mS
Load current at 40°C by heat sink
B-4836 Amp
B-7260 Amp
A-10065 Amp
A-190 Heat Sink without Fan36 A x 3 = 108 Amp
A-190 Heat Sink With Fan40 A x 3 = 120 Amp
Ordering
Order codeUNI 901 MCBUR 60 90 420 CU2 1S + B-48 HEAT SINK + DIN RAIL

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.