Square D Bus Plugs – Square D
BUS Plugs – New, Used, Reconditioned, and Obsolete
Bus Plugs are our specialty at Volunteer Equipment, we stock most of the Square D Bus Plug line up. No order is too big or small. Use the tables below to help find the right bus plug for your bus duct. Please call us with any questions. We are here to help ensure you get the right plug the first time.
- PQ
- PBQ/PTQ
- PTMA/PTPA
- SD and PIN
- Fused and Breaker Plugs available
- 30amp to 800amp
- All voltages 240v, 480v and 600v
- New Surplus, Used, Reconditioned, Surplus and Obsolete
Contact Us or call (865)-573-7768 for a free quote or questions about any of the products we offer.
SQUARE D I-Line PQ – Fused 480/600V
3 WIRE AND 4 WIRE
Fits I-Line 1 & 2
I-Line 2
PQ Bus Plug

CATALOG NUMBER | AMP | TYPE | VOLTAGE | WIRE | FITS BUS DUCT |
---|---|---|---|---|---|
PQ3603G | 30 | FUSED | 480/600 | 3 | I-LINE 1 & 2 |
PQ3606G | 60 | FUSED | 480/600 | 3 | I-LINE 1 & 2 |
PQ3610G | 100 | FUSED | 480/600 | 3 | I-LINE 1 & 2 |
PQ3620G | 200 | FUSED | 480/600 | 3 | I-LINE 1 & 2 |
PQ4603G | 30 | FUSED | 480/600 | 4 | I-LINE 1 & 2 |
PQ4606G | 60 | FUSED | 480/600 | 4 | I-LINE 1 & 2 |
PQ4610G | 100 | FUSED | 480/600 | 4 | I-LINE 1 & 2 |
PQ4620G | 200 | FUSED | 480/600 | 4 | I-LINE 1 & 2 |
Contact Us or call (865)-573-7768 for a free quote or questions about any of the products we offer.
SQUARE D I-Line PQ – Fused 240V
3 WIRE AND 4 WIRE
Fits I-Line 1 & 2
I-Line 2
PQ Bus Plug

CATALOG NUMBER | AMP | TYPE | VOLTAGE | WIRE | FITS BUS DUCT |
---|---|---|---|---|---|
PQ3203G | 30 | FUSED | 240 | 3 | I-LINE 1 & 2 |
PQ3206G | 60 | FUSED | 240 | 3 | I-LINE 1 & 2 |
PQ3210G | 100 | FUSED | 240 | 3 | I-LINE 1 & 2 |
PQ3220G | 200 | FUSED | 240 | 3 | I-LINE 1 & 2 |
PQ4203G | 30 | FUSED | 240 | 4 | I-LINE 1 & 2 |
PQ4206G | 60 | FUSED | 240 | 4 | I-LINE 1 & 2 |
PQ4210G | 100 | FUSED | 240 | 4 | I-LINE 1 & 2 |
PQ4220G | 200 | FUSED | 240 | 4 | I-LINE 1 & 2 |
Contact Us or call (865)-573-7768 for a free quote or questions about any of the products we offer.
SQUARE D I-Line PBQ/PTQ – Fused 480V/600V
3 WIRE AND 4 WIRE
Fits I-Line 1 & 2
I-Line 2
CATALOG NUMBER | AMP | TYPE | VOLTAGE | WIRE | FITS BUS DUCT |
---|---|---|---|---|---|
PBQ3640G | 400 | FUSED | 480/600 | 3 | I-LINE 1 & 2 |
PBQ3660G | 600 | FUSED | 480/600 | 3 | I-LINE 1 & 2 |
PTQ3680G | 800 | FUSED | 480/600 | 3 | I-LINE 1 & 2 |
PTQ36120G | 1200 | FUSED | 480/600 | 3 | I-LINE 1 & 2 |
PTQ36160G | 1600 | FUSED | 480/600 | 3 | I-LINE 1 & 2 |
PBQ4640G | 400 | FUSED | 480/600 | 4 | I-LINE 1 & 2 |
PBQ4660G | 600 | FUSED | 480/600 | 4 | I-LINE 1 & 2 |
PTQ4680G | 800 | FUSED | 480/600 | 4 | I-LINE 1 & 2 |
PTQ46120G | 1200 | FUSED | 480/600 | 4 | I-LINE 1 & 2 |
PTQ46160G | 1600 | FUSED | 480/600 | 4 | I-LINE 1 & 2 |
Contact Us or call (865)-573-7768 for a free quote or questions about any of the products we offer.
SQUARE D Breaker Style PFA/PKA/PLA – Fused 480V/600V
3 WIRE
Fits I-Line 1 & 2
I-Line 2
PLA Bus Plug

CATALOG NUMBER | AMP | BREAKER | VOLTAGE | WIRE | FITS BUS DUCT |
---|---|---|---|---|---|
PFA36015G | 15 | FAP36030 | 480/600 | 3 | I-LINE 1 & 2 |
PFA36020G | 20 | FAP36020 | 480/600 | 3 | I-LINE 1 & 2 |
PFA36030G | 30 | FAP36030 | 480/600 | 3 | I-LINE 1 & 2 |
PFA36040G | 40 | FAP36040 | 480/600 | 3 | I-LINE 1 & 2 |
PFA36050G | 50 | FAP36050 | 480/600 | 3 | I-LINE 1 & 2 |
PFA36060G | 60 | FAP36060 | 480/600 | 3 | I-LINE 1 & 2 |
PFA36070G | 70 | FAP36070 | 480/600 | 3 | I-LINE 1 & 2 |
PFA36080G | 80 | FAP36080 | 480/600 | 3 | I-LINE 1 & 2 |
PFA36090G | 90 | FAP36090 | 480/600 | 3 | I-LINE 1 & 2 |
PFA36100G | 100 | FAP36100 | 480/600 | 3 | I-LINE 1 & 2 |
PKA36125G | 125 | KAP36125 | 480/600 | 3 | I-LINE 1 & 2 |
PKA36150G | 150 | KAP36150 | 480/600 | 3 | I-LINE 1 & 2 |
PKA36175G | 175 | KAP36175 | 480/600 | 3 | I-LINE 1 & 2 |
PKA36200G | 200 | KAP36200 | 480/600 | 3 | I-LINE 1 & 2 |
PKA36225G | 225 | KAP36225 | 480/600 | 3 | I-LINE 1 & 2 |
PKA36250G | 250 | KAP36250 | 480/600 | 3 | I-LINE 1 & 2 |
PBLA36300G | 300 | LAP36300 | 480/600 | 3 | I-LINE 1 & 2 |
PBLA36350G | 350 | LAP36350 | 480/600 | 3 | I-LINE 1 & 2 |
PBLA36400G | 400 | LAP36400 | 480/600 | 3 | I-LINE 1 & 2 |
*HIGH INTERUPT BREAKER OPTION ALSO AVAILABLE |
Contact Us or call (865)-573-7768 for a free quote or questions about any of the products we offer.
SQUARE D Breaker Style PFA/PKA/PLA – Fused 480V/600V
4 WIRE
Fits I-Line 1 & 2
I-Line 2
PLA Bus Plug

CATALOG NUMBER | AMP | BREAKER | VOLTAGE | WIRE | FITS BUS DUCT |
---|---|---|---|---|---|
PFA36015GN | 15 | FAP36030 | 480/600 | 4 | I-LINE 1 & 2 |
PFA36020GN | 20 | FAP36020 | 480/600 | 4 | I-LINE 1 & 2 |
PFA36030GN | 30 | FAP36030 | 480/600 | 4 | I-LINE 1 & 2 |
PFA36040GN | 40 | FAP36040 | 480/600 | 4 | I-LINE 1 & 2 |
PFA36050GN | 50 | FAP36050 | 480/600 | 4 | I-LINE 1 & 2 |
PFA36060GN | 60 | FAP36060 | 480/600 | 4 | I-LINE 1 & 2 |
PFA36070GN | 70 | FAP36070 | 480/600 | 4 | I-LINE 1 & 2 |
PFA36080GN | 80 | FAP36080 | 480/600 | 4 | I-LINE 1 & 2 |
PFA36090GN | 90 | FAP36090 | 480/600 | 4 | I-LINE 1 & 2 |
PFA36100GN | 100 | FAP36100 | 480/600 | 4 | I-LINE 1 & 2 |
PKA36125GN | 125 | KAP36125 | 480/600 | 4 | I-LINE 1 & 2 |
PKA36150GN | 150 | KAP36150 | 480/600 | 4 | I-LINE 1 & 2 |
PKA36175GN | 175 | KAP36175 | 480/600 | 4 | I-LINE 1 & 2 |
PKA36200GN | 200 | KAP36200 | 480/600 | 4 | I-LINE 1 & 2 |
PKA36225GN | 225 | KAP36225 | 480/600 | 4 | I-LINE 1 & 2 |
PKA36250GN | 250 | KAP36250 | 480/600 | 4 | I-LINE 1 & 2 |
PBLA36300GN | 300 | LAP36300 | 480/600 | 4 | I-LINE 1 & 2 |
PBLA36350GN | 350 | LAP36350 | 480/600 | 4 | I-LINE 1 & 2 |
PBLA36400GN | 400 | LAP36400 | 480/600 | 4 | I-LINE 1 & 2 |
*HIGH INTERUPT BREAKER OPTION ALSO AVAILABLE |
Contact Us or call (865)-573-7768 for a free quote or questions about any of the products we offer.
SQUARE D Breaker Style PTMA/PTPA – Fused 480V/600V
3 & 4 Wire
Fits I-Line 1 & 2
I-Line 2
PTPA Bus Plug

CATALOG NUMBER | AMP | BREAKER | VOLTAGE | WIRE | FITS BUS DUCT |
---|---|---|---|---|---|
PTMA36600G | 600 | MAP36600 | 480/600 | 3 | I-LINE 1 & 2 |
PTMA36800G | 800 | MAP36800 | 480/600 | 3 | I-LINE 1 & 2 |
PTMA361000G | 1000 | MAP361000 | 480/600 | 3 | I-LINE 1 & 2 |
PTPA361200G | 1200 | PAF361200 | 480/600 | 3 | I-LINE 1 & 2 |
PTPA361600G | 1600 | PAF361600 | 480/600 | 3 | I-LINE 1 & 2 |
PTMA36600GN | 600 | MAP36600 | 480/600 | 4 | I-LINE 1 & 2 |
PTMA36800GN | 800 | MAP36800 | 480/600 | 4 | I-LINE 1 & 2 |
PTMA361000GN | 1000 | MAP361000 | 480/600 | 4 | I-LINE 1 & 2 |
PTPA361600GN | 1600 | PAF361600 | 480/600 | 4 | I-LINE 1 & 2 |
Contact Us or call (865)-573-7768 for a free quote or questions about any of the products we offer.
SQUARE D SD Roundbar – Fused 480/600V
3 WIRE AND 4 WIRE
FITS SD Roundbar
CATALOG NUMBER | AMP | TYPE | VOLTAGE | WIRE | FITS BUS DUCT |
---|---|---|---|---|---|
SD3603 | 30 | FUSED | 480/600 | 3 | SD ROUNDBAR |
SD3606 | 60 | FUSED | 480/600 | 3 | SD ROUNDBAR |
SD3610 | 100 | FUSED | 480/600 | 3 | SD ROUNDBAR |
SD3620 | 200 | FUSED | 480/600 | 3 | SD ROUNDBAR |
SD3640 | 400 | FUSED | 480/600 | 3 | SD ROUNDBAR |
SD3660 | 600 | FUSED | 480/600 | 3 | SD ROUNDBAR |
SD4603 | 30 | FUSED | 480/600 | 4 | SD ROUNDBAR |
SD4606 | 60 | FUSED | 480/600 | 4 | SD ROUNDBAR |
SD4610 | 100 | FUSED | 480/600 | 4 | SD ROUNDBAR |
SD4620 | 200 | FUSED | 480/600 | 4 | SD ROUNDBAR |
SD4640 | 400 | FUSED | 480/600 | 4 | SD ROUNDBAR |
SD4660 | 600 | FUSED | 480/600 | 4 | SD ROUNDBAR |
Contact Us or call (865)-573-7768 for a free quote or questions about any of the products we offer.
SQUARE D SD Roundbar – Fused 240V
3 WIRE AND 4 WIRE
FITS SD Roundbar
CATALOG NUMBER | AMP | TYPE | VOLTAGE | WIRE | FITS BUS DUCT |
---|---|---|---|---|---|
SD3203 | 30 | FUSED | 240 | 3 | SD ROUNDBAR |
SD3206 | 60 | FUSED | 240 | 3 | SD ROUNDBAR |
SD3210 | 100 | FUSED | 240 | 3 | SD ROUNDBAR |
SD3220 | 200 | FUSED | 240 | 3 | SD ROUNDBAR |
SD3240 | 400 | FUSED | 240 | 3 | SD ROUNDBAR |
SD3260 | 600 | FUSED | 240 | 3 | SD ROUNDBAR |
SD4203 | 30 | FUSED | 240 | 4 | SD ROUNDBAR |
SD4206 | 60 | FUSED | 240 | 4 | SD ROUNDBAR |
SD4210 | 100 | FUSED | 240 | 4 | SD ROUNDBAR |
SD4220 | 200 | FUSED | 240 | 4 | SD ROUNDBAR |
SD4240 | 400 | FUSED | 240 | 4 | SD ROUNDBAR |
SD4260 | 600 | FUSED | 240 | 4 | SD ROUNDBAR |
Contact Us or call (865)-573-7768 for a free quote or questions about any of the products we offer.
865-573-7768
Regular Hours: M - F 8AM - 4:30PM
Closing at 4:30 Dec. 22nd
Closed Dec. 23rd thru Jan. 1st, 2024
*For Emergency service during holiday hours, please email sales@volequip.com or call (865) 573-7768 and leave an emergency message with name, part number, and contact phone number.