8’ - 24’ POWERFOILPLUS™, POWERFOIL™, & WICKERBILL FANS
WWW.BIGASSFANS.COM ©2010 DELTA T CORP. DBA BIG ASS FAN ALL RIGHTS RESERVED
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WWW.BIGASSFANS.COM ©2010 DELTA T CORP. DBA BIG ASS FAN ALL RIGHTS RESERVED
8’ - 24’ POWERFOILPLUS™, POWERFOIL™, & WICKERBILL FANS
KBDA Controller Specifications and Environmental Ratings
Efficiency:
97.5% (Typical)
Relative Humidity:
0 to 95% non-condensing
NEMA type 4X (IP 65)
Environment
0 to 45 degrees Celcius (32 to 113 degrees Farenheit)
Altitude:
1000 m (3300 ft) max without derating
Operating Environment:
Voltage Input Limits
100 - 120VAC Controllers -- Minimum = 97VAC, Maximum = 132VAC incoming line.
200 - 240VAC Controllers -- Minimum = 176VAC, Maximum = 264VAC incoming line.
380 - 480VAC Controllers -- Minimum = 323VAC, Maximum = 529VAC incoming line.
380-480VAC Input -- Trip occurs at 801VDC bus voltage (equivalent to 567VAC incoming line)
Controller Ride Through:
Minimum ride through is 0.5 secs, typical value is 2 secs.
Over Voltage:
380-480VAC Input -- Trip occurs at 427VDC bus voltage (equivalent to 302VAC incoming line)
Under Voltage:
100-120VAC Input -- Trip occurs at 215VDC bus voltage (equivalent to 76VAC incoming line)
200-240VAC Input -- Trip occurs at 213VDC bus voltage (equivalent to 151VAC incoming line)
Motor Protection:
I²t overload protection - 120% for 30 min, 160% for 6 secs (provides class 10 protection)
Overcurrent:
200% hardware limit, 300% instantaneous fault
100-120VAC Input -- Trip occurs at 399VDC bus voltage (equivalent to 141VAC incoming line)
200-240VAC Input -- Trip occurs at 399VDC bus voltage (equivalent to 282VAC incoming line)
Fuses and Circuit Breakers
Recommended Fuse Type:
Littelfuse 326, Buss ABC or equivalent fuse
Other protective devices:
Square D QUO or equivalent circuit breaker.
Protective Features
Control Output
Programmable Output (form C relay)
Resistive Rating: 3.0 A @ 30VDC, 3.0A @ 125VAC, 3.0A @ 240VAC
Inductive Rating: 0.5A @ 30VDC, 0.5A @ 125VAC, 0.5A @ 240VAC
Approvals
Input / Output Ratings
Input Frequency:
50 / 60 Hz
Output Frequency:
10 - 60 Hz (programmable)