
Share this product on social media and get an exclusive discount code!
Click any platform below to share this product. After sharing, you'll receive a discount code!
Chosen by over 100,000 customers for trusted quality and exceptional service.
Enjoy a full year of warranty, ensuring long-lasting reliability and peace of mind.
Hassle-free 90-day return policy for a risk-free shopping experience.
Round-the-clock support to assist you whenever you need it.
Automatic Voltage Regulator K125-10B for Caterpillar Generator
Part Number:?
K125-10B, K12510B
Specification:
Output power (with a 240Vac Input):
10 Adc @ 125 Vdc maximum continuous.
20 Adc @ 250 Vdc forcing for 10 seconds.
AC input power:
180 to 280 Vac, singlephase or three-phase, 50 to 400 Hz, 1750 VA maximum continuous burden
AC sensing voltage:
90 to 140 Vac, 50/60 Hz;single- or three-phase.
External voltage adjust rheostat:
10k ohm, 2 W, potentiometer
Regulation accuracy:
0.5% Average responding
Voltage drift:
1% voltage variation for a 40 C (104 F) change.
Response time:
Frequency compensation:
1 or 2 V/Hz jumper selectable with knee adjustable from 45 Hz to 65 Hz.
EMI suppression:
Internal filter
Voltage Build-Up:
Internal provisions for automatic voltage build-up from generator residual voltages as low as six Vac.
Overexcitation shutdown:
Overexcitation protection starts timing at 180 Vdc 5% and takes the output to zero in greater than 30 seconds. The output can be 250 Vdc for greater than 10 seconds.
Droop:
1 A or 5 A,
UL recognized/CSA certified:
UL recognized per Standard 508, UL File NO. E97035. CSA certified per Standard CAN/CSA-C22.2 No. 14-95, CSA File No. LR 23131
Applications:?
For Caterpillar Generator

Our product experts will respond to your email within 24 business hours.
All new aftermarket parts come with a 1-Year warranty. Quality is the first thing we consider. Check out our Warranty Assistance for more details.
We offer express and standard shipping options to ensure your off-road machine gets back in action—fast and reliably. For more details, please visit our Shipping Policy.
We prioritize your satisfaction. If your order doesn't meet your expectations within 90 days, you may be eligible for a refund. See our Easy Return Policy for details.