1250W PowerVerter APS 12VDC 120V Inverter/Charger with Auto Transfer Switching, 2 Outlets
Model Number: APS1250
Portable dual-outlet power source for power applications, such as power tools and computers, as a vehicle inverter, standalone AC power source or extended-run UPS. Ideal for RVs, fleet vehicles and emergency vehicles.
- Delivers clean 120V AC power from AC or DC power source
- 1250W continuous output power; 2500W peak power
- Auto-transfer switching option for UPS operation
- Protects against blackouts, surges and EMI/RFI line noise
- Rugged polycarbonate housing resists moisture and impact
- 1-year limited warranty
Position a 200A fuse link less than 18 in. from the battery in the positive line to protect against high-current draw that may occur during inverter failure.
Overview
The APS1250 1250W PowerVerter APS 12V DC 120V AC Inverter/Charger is a reliable power source for a wide variety of equipment ranging from power tools and pumps to portable lighting and computer equipment in heavy-load conditions. With no fumes, fuel or excess noise, it’s an excellent alternative to generator power.
The DC-to-AC inverter features an automatic line-to-battery transfer switch and integrated charging system that allow it to work as a vehicle inverter, standalone AC power source or extended-run UPS. It delivers 1250W of continuous power, 1875W up to one hour, or 2500W of peak power up to 10 seconds during equipment startup or cycling. An automatic overload detector, cooling fan and resettable AC circuit breakers protect the unit from damage.
Designed for easy installation in RVs, over-the-road trucks, fleet vehicles and emergency vehicles, the APS1250 converts stored power from any 12V battery or automotive DC source to safe, stable, computer-grade AC power and sends it to two NEMA 5-15R outlets for unlimited runtime. When powered by an external 120V AC source, the unit keeps the user-supplied battery charged via a three-stage 30A charging system while simultaneously delivering AC power to connected equipment.
When used as a UPS, the APS1250 responds to blackouts and brownouts with an automatic, instantaneous transfer to battery-derived AC output. LEDs on the unit indicate load level, battery charge level, shutdown status and system fault status.
The DC-to-AC inverter features an automatic line-to-battery transfer switch and integrated charging system that allow it to work as a vehicle inverter, standalone AC power source or extended-run UPS. It delivers 1250W of continuous power, 1875W up to one hour, or 2500W of peak power up to 10 seconds during equipment startup or cycling. An automatic overload detector, cooling fan and resettable AC circuit breakers protect the unit from damage.
Designed for easy installation in RVs, over-the-road trucks, fleet vehicles and emergency vehicles, the APS1250 converts stored power from any 12V battery or automotive DC source to safe, stable, computer-grade AC power and sends it to two NEMA 5-15R outlets for unlimited runtime. When powered by an external 120V AC source, the unit keeps the user-supplied battery charged via a three-stage 30A charging system while simultaneously delivering AC power to connected equipment.
When used as a UPS, the APS1250 responds to blackouts and brownouts with an automatic, instantaneous transfer to battery-derived AC output. LEDs on the unit indicate load level, battery charge level, shutdown status and system fault status.
Features
Reliable Power for Mobile, Emergency and Remote Sites
Meets Normal and Peak Power Demands
Automatic Transfer Switching
3-Stage 30A Battery Charger
Optional Remote Control Capability
Front-Panel LEDs
Rugged Polycarbonate Housing
- Generates safe, stable, computer-grade 120V AC power from 12V battery bank
- Ideal for powering tools, saws, motors, pumps, portable lighting, appliances and computer equipment in heavy-load conditions
- Designed for easy installation in RVs, over-the-road trucks, fleet vehicles and emergency vehicles
- Functions as a vehicle inverter, standalone AC power source or extended-run UPS
- Features 2 front NEMA 5-15R outlets
- Unlimited runtime with variety of user-supplied batteries
Meets Normal and Peak Power Demands
- 1250W of continuous power
- 1850W of reserve power up to 1 hr.
- 2500W of peak power up to 10 sec. to accommodate surge power demands during equipment startup and cycling
- Automatic overload detector, built-in cooling fan and resettable AC circuit breaker protect unit from damage
Automatic Transfer Switching
- Transfer relay switches to inverter power during blackout in 16.6 ms
- 3-position switch enables Auto, Charge Only or System Off mode
- DIP switches configure high and low voltage auto-transfer
3-Stage 30A Battery Charger
- Serves as battery charger when external 120V AC power is supplied and powering connected equipment
- Protects battery from overcharging and overdischarging
- Low-battery protection prevents excessive battery depletion
- DIP switches configure wet/gel charging profiles
Optional Remote Control Capability
- RJ45 communication port allows connection of optional remote control module, such as Tripp Lite’s APSRM4
Front-Panel LEDs
- Indicate load level, battery charge level, shutdown status and system fault status
Rugged Polycarbonate Housing
- Resists moisture, vibration and impact
- Built-in mounting feet for installation on any rigid horizontal surface
- Grounding lug connects unit to earth ground or vehicle grounding system
- Built-in 6 ft. AC power cord with NEMA 5-15P plug connects to AC power source
Package Includes
- APS1250 1250W PowerVerter APS 12V DC 120V AC Inverter/Charger
- Owner’s manual
Specifications
OVERVIEW
| UPC Code | 037332121653 |
OUTPUT
| Frequency Compatibility | 60 Hz |
| Pure Sine Wave Output | No |
| Output (Watts) | 1250 |
| Nominal Output Voltage(s) Supported | 120V |
| Output Receptacles | (2) 5-15R |
| Continuous Output Capacity (Watts) | 1250 |
| Peak Output Capacity (Watts) | 2500 |
| Output Voltage Regulation | LINE POWER (AC): Maintains 120V nominal sine wave output from line power source. INVERTER POWER (AC): Maintains PWM sine wave output voltage of 120 V AC (+/-5%). |
| Output Frequency Regulation | 60 Hz (+/- 0.3 Hz) |
| Overload Protection | Includes 8A input breaker dedicated to the charging system and 12A output breaker for AC output loads |
INPUT
| Nominal Input Voltage(s) Supported | 120V AC |
| Recommended Electrical Service | DC INPUT: Requires 12VDC input source capable of delivering 125A for the required duration (when used at full continuous capacity - DC requirements increase during OverPower and DoubleBoost operation). For automotive applications, professional hardwire installation with 225A minimum battery system fusing is recommended. AC INPUT: 120VAC |
| Maximum Input Amps / Watts | DC INPUT: Full continuous load - 127A at 12V DC. AC INPUT: 12 amps at 120VAC with full inverter and charger load (6.3A max charger-only) |
| Input Connection Type | DC INPUT: Set of 2 DC bolt-down terminals. AC INPUT: NEMA 5-15P input plug |
| Voltage Compatibility (VAC) | 120 |
| Voltage Compatibility (VDC) | 12 |
BATTERY
| Expandable Battery Runtime | Runtime is expandable with any number of user supplied wet, gel or SLA batteries |
| DC System Voltage (VDC) | 12 |
| Battery Pack Accessory (Optional) | 98-121 sealed lead acid battery (optional) |
| Battery Charge | 30A max, 3 step, float for long term maintenance |
| Expandable Runtime | Yes |
USER INTERFACE, ALERTS & CONTROLS
| Front Panel LEDs | Set of 6 LEDs offer continuous status information on load percentage (6 levels reported) and battery charge level (7 levels reported). See manual for sequences. |
| Switches | 3 position on/off/remote switch enables simple on/off power control plus "auto/remote" setting that enables distant on/off control of the inverter system when used in conjunction with optional APSRM4 accessory when used in inverter mode. In AC uninterruptible power mode, auto/remote setting enables automatic transfer from line power to battery power - to maintain continuous AC power to connected loads. |
SURGE / NOISE SUPPRESSION
| AC Suppression Joule Rating | 450 |
PHYSICAL
| Cooling Method | Multi-speed fan |
| Form Factors Supported | Mounting slots enable permanent placement of inverter on any horizontal surface (see manual for additional mounting information) |
| Material of Construction | Polycarbonate |
| Receptacle Color | Black |
| Shipping Dimensions (hwd / in.) | 12.60 x 10.60 x 10.20 |
| Shipping Weight (lbs.) | 24.30 |
| Unit Dimensions (hwd / in.) | 7 x 8.75 x 9 |
| Unit Weight (lbs.) | 23.2 |
ENVIRONMENTAL
| Relative Humidity | 0-95% non-condensing |
LINE / BATTERY TRANSFER
| Transfer Time (Line Power to Battery Mode) | 16.6 milliseconds (typical - compatible with many computers, servers and networking equipment - verify transfer time compatibility of loads for UPS applications) |
| Low Voltage Transfer to Battery Power | In AC "auto" mode, inverter/charger switches to battery mode as line voltage drops to 75V (user adjustable to 85, 95, 105V - see manual) |
| High Voltage Transfer to Battery Power | In AC "auto" mode, inverter/charger switches to battery mode as line voltage increases to 135V (user adjustable to 145 - see manual) |
WARRANTY
| Product Warranty Period (U.S. & Canada) | 1-year limited warranty |
Frequently Asked Questions
APS series inverters can accept and pass AC input power. They also have a built in battery charger circuit.
The APS1250 is made in China.
The APS2012 will run off generator power as long as the output of the generator meets the input requirements for that unit. That requirement is a nominal 120vac at 60hz.
Yes, we offer Pure Sine Wave Inverters. Visit our Inverters product category and filter for Pure Sine Wave Output. A pure sine wave inverter produces a smooth, sinusoidal AC output with a low level of distortion for better performance. A PWM (Pulse Width Modulated) Wave inverter produces a multi-step AC output that approximates a sinusoidal AC output with a higher level of distortion.
Thank you for your inquiry. The APSX1250 does support 3 stage charging with equalization.
Additional FAQs may be available on the APS1250 model support page.
Accessories
Power Inverter Accessories
| Model Number | Description | |
|---|---|---|
 |
98-121 | 12VDC Sealed, Maintenance-Free Battery for All Inverter/Chargers, 12VDC Battery Connections |
 |
BP-260 | External 12/24V Tower Battery Pack Enclosure for PowerVerter APS Inverter/Chargers (BP-260) |
 |
APSRM4 | Remote Control Module for Tripp Lite PowerVerter Inverters and Inverter/Chargers |
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