Cut Sheet
Blocks AND tERMINAls PowER tERMINAls
Spec-01140 F
EQUIPMENT PROTECTION PowER AND GRouNDING coNNEctIvIty 50
Unit Dimensions
Catalog Number Depth D (in.) Height H (in.) Width W (in.) A (in.) Unit Weight (lb.) Qty.
SBTT250 2.60 8.10 2.10 4.25 0.57 1
Max Current Rating, IEC Max Current Rating, UL/CSA
Short Term
Withstand
Current (Icw) 1s
Peak Short
Circuit Current
(Ipk)
Short Circuit
Current Rating
(SCCR)
Max Working
Voltage, IEC (Ui)
Max Working
Voltage, UL (Vin)
350 A 300 A 8.4 kA 30 kA 100 kA
1,000 VAC
1,500 VDC
1,000 VAC/DC
Number of Tunnel Connections Tunnel Connection Compact Stranded Wire Size Tunnel Connection Wire Size - Ferrule Tunnel Connection Wire Size
4 (4) 10 – 50 mm² (4) 10 – 35 mm² (4) #8 – 1/0
Derating according to Ambient* Temperature (°F) to maintain working temperature of 185°F
Ambient
Temperature
(°F)
86° 95° 104° 113° 122° 131° 140° 149° 158° 167°
Derating
Coefficient (d)
1 1 1 0.94 0.88 0.82 0.75 0.67 0.58 0.47
*environment around the terminal blocks inside the enclosure
sBtt350 tuNNEl-to-tuNNEl PowER tERMINAl
INDustRy stANDARDs
FEAtuREs
connections
Design allows for visual inspection of conductor and
confirmation of connection
panel mount
Halogen free
sPEcIFIcAtIoNs
FINIsh
:
+
'
$