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SAIYIS 1268-5403 48V 400A Curtis SepEx DC Motor Controller 0-5k
Regular Price
$495.00
📦 Commercial & Fleet Inquiry
Need programmed motor controllers or volume pricing for equipment fleets? Contact our technical team.
Email: support@awp-parts.com
Need programmed motor controllers or volume pricing for equipment fleets? Contact our technical team.
Email: support@awp-parts.com
New aftermarket 48V 400A separately excited (SepEx®) DC motor speed controller replacement for Curtis 1268-5403 and part number 378275403. Designed for heavy-duty electric utility vehicles, industrial burden carriers, personnel transports, and material handling forklifts. Features solid-state motor reversing, regenerative braking, and advanced programmable drive profiles.
⚠ Technical Verification:
- Nominal Operating Voltage: 48V DC (36V–48V compatible).
- Armature Current Rating: 400 Amps (2-minute rating).
- Throttle Input Type: 0–5kΩ 2-wire resistive throttle.
- Motor Type: SepEx® (Separately Excited) DC Motors.
Key Specifications
| Parameter | Specification |
|---|---|
| Model Number | 1268-5403 / 378275403 |
| Nominal Voltage | 48V DC (Operating range 36V–48V) |
| Armature Current (2 min) | 400A |
| Field Current (2 min) | 50A |
| Throttle Input | 0–5kΩ (±10%) |
| PWM Operating Frequency | 16 kHz (Silent operation) |
| Unit Weight | ~3.90 kg / ~8.60 lb |
| Condition | New Aftermarket |
Compatible Applications
| Vehicle / Equipment Category | Typical Applications |
|---|---|
| Industrial & Material Handling | Electric forklifts, pallet trucks, burden carriers, personnel carriers (Hangcha, Heli, etc.) |
| Commercial Utility Vehicles | Heavy-duty utility carts, resort & airport transport vehicles, golf carts (Club Car, E-Z-GO) |
Key Features
- ✅ Direct Curtis 1268 Replacement — Exact drop-in replacement for Curtis SepEx 1268-5403 / 378275403
- ✅ Regenerative Braking — Recovers kinetic energy back into battery bank, extending run time and reducing brake wear
- ✅ Anti-Rollback Function — Enhanced ramp-hold control delivers smooth, safe stopping and starting on inclines
- ✅ Solid-State Motor Reversing — Integrated full-bridge field stage eliminates mechanical reversing contactors
- ✅ Comprehensive System Protection — Built-in over-voltage, under-voltage, thermal cutback, and short-circuit protection
Technical Support
Email: support@awp-parts.com
SAIYIS supplies aftermarket replacement parts. Curtis, E-Z-GO, Club Car, and other manufacturer names are referenced for compatibility identification only.
Need Help?
Our product experts will respond to your email within 24 business hours.
Service & Support
Warranty
This product includes a 12-month limited warranty covering defects in materials and workmanship under normal use. Exclusions and claim requirements are described in our warranty policy.
Compatibility Support
Not sure whether this part fits your machine? Send us the equipment brand, model, serial number and original part number before ordering. Photos of the machine data plate and existing part can help us confirm compatibility.
Technical Assistance
Our support team can assist with parts identification, product information and basic troubleshooting. Installation and repair should be completed by qualified personnel in accordance with the equipment manufacturer's safety instructions.
Bulk Orders
Contact us for quantity pricing, stock confirmation and shipping options for fleet maintenance or resale orders.
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