Product Overview
The Littelfuse POWR-GARD Bus Bar System is a UL 508 Listed power distribution solution designed for safe and compact power distribution to multiple fuse holders. It eliminates the need for separate power distribution blocks and associated conductors, simplifying panel designs and reducing wire terminations. This system offers a touch-safe design for enhanced safety during fuse replacement and is mountable on 35 mm DIN-rail. Available in one and three-phase configurations, it can be customized to optimal sizes.
Product Attributes
- Brand: POWR-GARD
- Certifications: UL 508 Listed (File E328654)
- Environmental Compliance: RoHS Compliant, Lead (Pb) free
- Material: Copper conductor
Technical Specifications
| Specification | Details |
| Voltage Ratings | 600 V ac/dc, 1000 V dc* |
| Current Ratings (End Fed) | 18 mm: 80 A
25 mm: 100 A |
| Current Ratings (Center Fed) | 18 mm: 160 A
25 mm: 200 A |
| SCCR | 10 kA, 100 kA |
| Conductor Cross Section | 18 mm, 25 mm |
| Conductor Pitch | 17.8 mm |
| Mounting | 35 mm DIN-rail mountable |
| Configurations | One-phase, Three-phase |
| Power Feed Lug Rating | 115A 1000V AC/DC |
| *Note (1 Phase 18 mm) | Rated 1000 VDC up to 160 A when center fed |
| *Note (1 Phase 25 mm) | Rated 1000 VDC up to 200 A when center fed |
| Note (SCCR) | When protected directly upstream by Class J 175 amperes max (18 mm bus bar) and Class J 200 amperes max (25 mm bus bar). |
Ordering Information
Accessories:
- Endcaps are standard with all 3-phase configurations except 57-pole.
- Endcaps are not needed for 1-phase configurations from the factory or if the copper bus is trimmed per supplied instructions.
- Power feed lugs and protective covers are extra.
Power Feed Lugs
| Part Number | Wire Range | Wire Type | Torque | Phase | Fuse Holder |
| BB17 | #10 - 1/0 AWG | CU | 50 lb-in | Single | LPSM/LPSC/LPHV |
| BB18 | #10 - 1/0 AWG | CU | 50 lb-in | Three | LPSM/LPSC |
| BB19 | #10 - 1/0 AWG | CU | 50 lb-in | Single | LFPSM/LFPSC |
| BB20 | #10 - 1/0 AWG | CU | 50 lb-in | Three | LFPSM/LFPSC |
Pole Protective Covers
| Part Number | Quantity |
| CTPT5 | 5 |
Endcaps
| Part Number | Phase | Quantity |
| EDCP42 | Single | 50 |
| EDCP7 | Three | 50 |
3 Phase, 25 mm
| Poles | Length (mm) | Ordering Number |
| 6 | 104 | 3PH6P25mm |
| 9 | 158 | 3PH9P25mm |
| 12 | 214 | 3PH12P25mm |
| 15 | 266 | 3PH15P25mm |
| 57 | 1009 | 3PH57P25mm |
1 Phase, 18 mm
| Poles | Length (mm) | Ordering Number |
| 3 | 60 | 1PH3P18mm |
| 4 | 79 | 1PH4P18mm |
| 6 | 106 | 1PH6P18mm |
| 9 | 159 | 1PH9P18mm |
| 12 | 212 | 1PH12P18mm |
| 15 | 272 | 1PH15P18mm |
| 57 | 1009 | 1PH57P18mm |
1 Phase, 25 mm
| Poles | Length (mm) | Ordering Number |
| 3 | 60 | 1PH3P25mm |
| 4 | 79 | 1PH4P25mm |
| 6 | 106 | 1PH6P25mm |
| 9 | 159 | 1PH9P25mm |
| 12 | 212 | 1PH12P25mm |
| 15 | 272 | 1PH15P25mm |
| 57 | 1009 | 1PH57P25mm |
3 Phase, 18 mm
| Poles | Length (mm) | Ordering Number |
| 6 | 104 | 3PH6P18mm |
| 9 | 158 | 3PH9P18mm |
| 12 | 214 | 3PH12P18mm |
| 15 | 266 | 3PH15P18mm |
| 21 | 374 | 3PH21P18mm |
| 27 | 481 | 3PH27P18mm |
| 33 | 586 | 3PH33P18mm |
| 39 | 693 | 3PH39P18mm |
| 57 | 1009 | 3PH57P18mm |
Disclaimer Notice Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/product-disclaimer.
