United StatesChange

SBLT-500 Lug-to-Tunnel Power Terminal

SBLT-500 (561144)


  • Tinned copper block allows for copper or aluminum conductor connections
  • Accessible studs and tunnels allow for easy connection of nVent ERIFLEX Flexibar and other conductors
  • Design allows for visual inspection of conductor and confirmation of connection
  • Voltage detection and measurement connection
  • Adjustable transparent cover
  • Modular snap-together blocks for building multi-pole power blocks
  • Easily clips onto DIN rail or mounts to panel with screws
  • SBLEC Power Terminals Fixing Accessory required for direct panel mount
  • Halogen free
  • RoHS compliant


Part Number SBLT-500
Article Number 561144
Material Copper
Finish Tinned
Max Current Rating, IEC 750 A
Max Current Rating, UL/CSA 500 A
Short Term Withstand Current (Icw) 1s 28.8 kA
Peak Short Circuit Current (Ipk) 52 kA
Short Circuit Current Rating (SCCR) 100 kA
Max Working Voltage, IEC (Ui) 1,000 VAC
1,500 VDC
Max Working Voltage, UL (Vin) 1,000 VAC/DC
Number of Stud Connections 1
Stud Connection Conductor Width 20 – 50 mm IEC®
20 – 40 mm UL®
Stud Connection Compact Stranded Wire Size 95 – 400 mm²
Stud Connection Wire Size #6 - 700 kcmil
Number of Tunnel Connections 2
Tunnel Connection Compact Stranded Wire Size (2) 16 – 120 mm²
Tunnel Connection Wire Size - Ferrule (2) 16 – 120 mm²
Tunnel Connection Wire Size (2) #6 – 250 kcmil
Depth (D) 2.6"
Height (H) 8.1"
Width (W) 3.35"
A 4 1/4"
Unit Weight 1.34 lb
Certification Details UL® 1059
Flammability Rating UL® 94V-1
Complies With IEC® 60947-7-1
Certifications CE, ERIFLEX SB
CSA 70044370
EAC 0234267 (Russian Federation)
Standard Packaging Quantity 1 pc
UPC 78285666126
EAN-13 8711893059533
Design Guideline for Distribution Blocks, Power Blocks and Power Terminals
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
Power terminal connections are interchangeable and can be used as line side or load side connections.

nVent, nVent CADDY, nVent ERICO, nVent ERIFLEX, and nVent LENTON are owned by nVent or its global affiliates. All other trademarks are the property of their respective owners. nVent reserves the right to change specifications without prior notice.

CSA, CSA-US and C-CSA-US are registered trademarks of Canadian Standards Association.
IEC is a registered trademark of the International Electrotechnical Commission.
UL, UR, cUL, cUR, cULus and cURus are registered certification marks of UL LLC.





EN 60947-7-1, 201 KB English
CSA 70044370
CSA C22.2 No. 158
cUR XCFR8.E198301
CSA C22.2 No. 158
UR XCFR2.E198301
ANSI/UL 1059

Instruction Sheets

SBLT500 / SBTT500
414 KB English