SKU: 63073085844

60V 72V 400A DC Motor Controller P125M-6B403 Replacing for 1205M-6B403 1205M-6B401

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Description

60V 72V 400A DC Motor Controller P125M-6B403 Replacing for 1205M-6B403 1205M-6B401Part Number: P125M 6B403 DC Series Motor Controller Not CURTIS Product Replacing CURTIS 1205M 6B403 Upgraded Version of 1205M 6B401 (Part Number: 17721701) & Fully Compatible 60 72V 400A The P125M 6B403 controller is a DC series winding motor speed controller, designed as the replacement of CURTIS 1205M 6B403 controller (and old CURTIS 1205M 6401 and 1205M 6B401 controllers). Made by a Chinese manufacturer, the P125M 6B403 controller is fully

Part Number:


P125M-6B403 DC Series Motor Controller
Not CURTIS Product
Replacing CURTIS 1205M-6B403
Upgraded Version of 1205M-6B401 (Part Number: 17721701) & Fully Compatible
60/72V - 400A

The P125M-6B403 controller is a DC series winding motor speed controller, designed as the replacement of CURTIS 1205M-6B403 controller (and old CURTIS 1205M-6401 and 1205M-6B401 controllers).
Made by a Chinese manufacturer, the P125M-6B403 controller is fully compatible with CURTIS programming devices, and the quality had been approved by many vehicle makers. All parameters of P125M-6B403 are the same as its original version of CURTIS 1205M-6B403. So the buyer can take the CURTIS 1204M/05M/09/21M controller manual as its own manual.

Application:

KEY FEATURES:
Controller Model: P125M-6B403 (Replacement of CURTIS 1205M-6B403)
Norminal Battery Voltage (Volts): 60V / 72V (Two voltage settings are available. The voltage can be set to either 60 volts or 72 volts. By defaut, it is set as 72 volts.
The buyer should confirm with the seller the battery system voltage and the throttle type (0-5k|?, 5k-0|? or 0-5V). There is no extra cost for reprogramming the controller or other CURTIS programmable devices.
By defaut, we will the controller of setting of 72V / 400A / 0-5k|? (Throttle Type = 0).
1 Minute Current Rating (amps): 400
5 Minute Current Rating (amps): 275
1 Hour Current Rating (amps): 175
Plug Braking (A2 Busbar): Yes
Ten throttle types can be used with P125M-6B403:
Type 0: 2-wire potentiometer, 0¡§C5k|?
Type 1: 2-wire potentiometer, 5k|?¡§C0
Type 2: single-ended 0¡§C5V input
Type 3: 2-wire potentiometer, 4.6k|?¡§C0
Type 4: 2-wire potentiometer, 5.5k|?¡§C0
Type 5: 2-wire potentiometer, 1k|?¡§C0
Type 6: ITS input
Type 7: single-ended 6.3¡§C10.6 V input
Type 8: single-ended 6¡§C12 V input
Type 9: single-ended 3-wire potentiometer, 0¡§C5k|?
Features include:
High-frequency switching and ultra-low voltage drops provide high efficiency and silent operation.
Simple mounting and wiring with push-on connectors for control signals and plated solid copper buses for power connections.
Compatible with either a two-wire potentiometer or a voltage throttle.
Throttle fault protection circuitry disables controller if throttle wires become open.
High pedal disable feature prevents controller operation if key is turned on while throttle is applied.
Plug braking diode internal to controller.
Thermal protection and compensation circuit provides constant current limit over operating range and during under/over temperature cutback; no sudden loss of power under any thermal conditions.
Undervoltage cutback function protects against low battery voltage, including low voltage caused by external loads.
Easily programmable through the Curtis Model 1313-4401 Handhold Programmer or 1314 PC Programming Station
Rugged anodized aluminum extruded housing meets IP65 environmental sealing standards for use in harsh environments.
SPECIFICATIONS: P125M-6B403 (1205M-6B403) CONTROLLERS
Nominal input voltage: 60/72 V (1205M-6B403 has two available battery voltage settings. The voltage can be set to either 60 volts or 72 volts.)
PWM operating frequency: 15.6 kHz
Electrical isolation to heatsink (min.): 500 V
KSI input current (no contactors engaged): <70 mA without programmer; <130 mA with programmer
Logic input current: <2 mA
Status LED output current (max.): 2 mA
Throttle type: 2-wire 0 ¡§C 5k|?, 2-wire 5k|? ¡§C 0, or 0 ¡§C 5V
Storage ambient temperature range: -40??C to 85??C (-40??F to 185??F)
Operating ambient temp. range: -40??C to 50??C (-40??F to 122??F)
Package environmental rating: ISTA 2A; electronics sealed to IP65
Weight: 2.7 kg
Dimensions (L?¨¢ W?¨¢H) : 199 ?¨¢ 146 ?¨¢ 77 mm
Regulatory compliance: Safety ?a Designed to the requirements of EN 1175; EMC ?a Designed to the requirements of EN 12895 and EN 61000

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 63073085844

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4.5 ★★★★★
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Carl L. Bradley
Draper, US
★★★★★ 1
Kinda flimsy…
Thought the assembly was metal, it’s some kind of PVC.
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Reviewed in the United States on September 22, 2025
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Kindle Customerttt
Battle Creek, US
★★★★★ 5
Better than expected, these are great looking and heavy duty
Size: 42inch Tall (NOT included wood planks), Color: Black
These are heavy duty, and just as pictured. They are beautiful.
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Reviewed in the United States on May 9, 2026
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Kimberly Frost
Lake Worth, US
★★★★★ 5
Great value extra storage
Size: 42inch Tall (NOT included wood planks), Color: Black, Size: 42inch Tall (NOT included wood planks), Color: Black
This was a Great storage option for a corner where we had no cabinets, it has very stylish hardware Storage Space it’s quality built it fits well it’s very easy to install. It came with screws. All the hardware, I’m going to put white dishes on the shelves with my coffee bar.
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Reviewed in the United States on February 8, 2025
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Anonymous
Chelsea, US
★★★★★ 5
Quality pipes for a good price
Size: 42inch Tall (NOT included wood planks), Color: Black
This item is just as described. It is the pipe fitting portion of a 3 shelf unit. You must buy your shelving separately once the rails have been installed. Purchasing the pieces this way was much more cost-effective than separately buying each part from the hardware store, and all the pieces were clean and ready to be mounted unlike the pieces from the hardware store. It was moderately difficult to hang, since you are trying to keep everything very level. I imagine the distance between each rail will be a factor in how easy this is to level. The difficulty may have also stemmed from the fact that we were mounting it in a small toilet room and had little room to maneuver during the installation process. Still, it is a good product and we are considering purchasing a second one for another location in our home.
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Reviewed in the United States on April 6, 2019
B
Verified Purchase
B. Billy
Carnegie, US
★★★★★ 4
Not real Black Iron, but works just as well
Size: 42inch Tall (NOT included wood planks), Color: Black
First, these parts that I got were not real Black Iron pipes like you would pick up at a hardware store, they are like furniture grade tubes for an IKEA shelving system. The thread would fit 3/4 pipe from like HD, but they are not the same, I know this because I just bought some of the pipe and parts for a small shelf right before ordering this. I should have known from the price, the real stuff is kind of pricey, but nicer. The elbows and T-connectors as well as the flanges seem more like galvanized steel painted black. HOWEVER, the end product is pretty nice and very versatile as to where you would want to put it. It is still pretty sturdy, and if screwed into a stud, I believe it would hold a lot of weight. The entire shelving system is painted black, so unlike Black Iron, it will not stain your hands black when handling it. Putting this together took about 30 min, the longest part was adjusting angles and lengths to get it flat and squared, but was not hard at all. This kit does NOT come with shelf boards, so length of that is up to you. It also came with mounting screws, but they are thin and I would suggest as your getting boards for shelves, also pick up some beefier screws, U used #12 - 1 1/4" wood screws with the sleeves for drywall and a little longer for securing it into a stud. All in all, this black pipe shelf looks nice, is nice and will work out great, just know, it is not the real Black Iron pipes and parts you would get from a hardware store, but the threads would fit if you wanted to add to this. I only knocked down one star because of this, and if I am going to buy more of these, I would prefer the real stuff and not go with this one.
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Reviewed in the United States on June 5, 2020

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