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.
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SKU: 63073085844

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★★★★★ 5
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waggster
San Leandro, US
★★★★★ 5
good quality
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Reviewed in the United States on April 3, 2026
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Andres Cobos
New York, US
★★★★★ 5
Just what I needed!!!
Size: Width 16.5", Fully Adjustable Desk Mount, Style: Single, Size: Width 16.5", Fully Adjustable Desk Mount, Style: Single
Just what I needed to improve my posture while working from home. Having a lower table was killing my back and neck. Instructions pretty easy and clear for assembly, walks you through the steps to either use it for a laptop or for a monitor. Really easy to adjust, excellent range of motion in all 3 axes, and 90% is metallic so the quality is superb, greatly recommended!
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Juno
Natrona Heights, US
★★★★★ 4
Sturdy, works well
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Been using this for awhile. I move it around a lot and it keeps up. My only complaint is it occasionally loosens so I have to find the tool and retighten it. Mine also came with a piece broken, and I never got any sort of replacement part. That's a bit on me, but it's rather annoying when one of the laptop clips continuously falls off.
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Reviewed in the United States on May 21, 2026
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DanniKalifornia
Louisville, US
★★★★★ 5
Absolutely fabulous products!
Size: Width 14", Adjustable Desk Mount, Style: Dual
The only downfall of this product is that there is no instant up/down adjustment on the arms. Otherwise this mount is outstanding. It is easy to put together, the only items you'll want that aren't in the box are a screwdriver and a wrench. It went up in just a couple of minutes, and it's sturdy and very well made. I like that I can put it flush to a wall because it does not need any room behind it. This is beyond amazing for the inexpensive cost. I would buy it again in a heartbeat. Also adding to the awesomeness is an array of additional arms and accessories for this you can find from Wali to make your setup perfect for you, all at great prices. I've got my office setup complete with three arms and two laptop trays and the whole thing cost less than a single arm I purchased from Amazon Basics. Handy thought regarding the laptop trays is that they're a nice size, and with the catch at the bottom, I've found I like to use it as a literature tray. I drop a book on there and it holds it at a nice angle to read from when transferring or referencing data. The trays do bounce some when typing, but much less than any other type of arm/tray system I've ever used. Highly recommended!
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