Balmar APM-12 Alternator Surge Protector
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Balmar APM-12 Provides best-in-class surge protection
Alternators can be subjected to voltage spikes caused by lithium battery shutdowns, intermittent connections and other over-voltage events. Balmar has introduced a robust Alternator Protection Module which helps protect the alternator’s diodes and internal regulator against spikes (clamping up to 60 Volt) and sustained over-voltage conditions (beginning around 20 Volt) for the 12 Volt version. The APM can absorb multiple surges of such energy, and can absorb surges in excess of 200 Amps without failure to continually protect your alternator. Visual and audible alarms indicate if the device has been compromised and needs replacement. Balmar APM devices provide intelligent, robust, solid state protection in a small, easily mounted package at the rear of the alternator between the B+ and B- terminals. Balmar APM devices can be used to protect all alternator brands.
Features & Benefits
- Provides best-in-class surge protection
- Excels in both short duration and longer duration spikes
- The apm can absorb multiple surges of such energy, and can absorb surges in excess of 200 amps without failure to continually protect your alternator
- Visual and audible alarms indicate if the device has been compromised and needs replacement
- Limited 2 year warranty
Specifications
| Product Type | Provides best-in-class surge protection |
| Weight | 1 lb |
| Dimensions | 5 x 4 x 2 in |
| Brand | Balmar |
| Manufacturer Part Number | APM-12 |
| UPC | 676205502887 |
Frequently Asked Questions
How do I verify fitment before ordering?
Compare manufacturer part number APM-12 against your existing part and your vehicle or equipment. Contact us with your make, model, and year if you need help confirming compatibility.
What stands out about this provides best-in-class surge protection?
Key details include Limited 2 year warranty. Review the full feature list and specifications on this page for complete details.
How much does this product weigh?
This item weighs approximately 1 lb.
Shipping & Returns
Shipping & Returns
Shipping:
Most qualifying in-stock orders are processed within one business day. In the contiguous 48 states, eligible in-stock orders placed before 12:00 PM (noon) in the customer's local time zone typically ship the same business day. Orders shipping to Alaska or Hawaii use a 12:00 PM Pacific Time cutoff (California time). These cutoffs apply only to eligible in-stock orders and are not guaranteed shipping or delivery times. Same-day shipping refers to processing and carrier handoff, not delivery. Weekends and holidays are excluded.
Payment verification, address verification, fraud review, and inventory availability may take longer. Supplier-direct fulfillment, freight shipping, and special handling may also take longer.
Returns:
Eligible products may be returned within 60 days of delivery, subject to our Return Policy. Return authorization is required. Certain products are final sale or subject to manufacturer warranty procedures, shipping charges, and applicable restocking fees.
Please inspect your order promptly upon delivery. Shipping damage, incorrect items, missing components, or quantity shortages must be reported within 3 business days after delivery. Retain the product, original packaging, shipping labels, and photographs while your claim is reviewed.
