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Products Inverter Off Grid AJ 275-12
  • Description

    A well-performing range of inverters from 275VA to 2400VA for small to medium sized systems, with an optional built-in PWM solar charge controller. The devices in this series offer low self-consumption, a battery protection algorithm, and compact construction. 

    Plug and forget
    The inverters of the AJ series have been present in the market for many years and have widely demonstrated their superior reliability. Being delivered with AC and DC cables, they are truly "plug and forget" devices.

    Self-consumption
    In addition to a high surge power capacity, the AJ have a very low self-consumption thanks to a precise and efficient stand-by function. The load detection in stand-by is automatic and adjustable from very small loads.

    Battery protection
    The inverters offer a battery protection function that intelligently manages the low voltage disconnect level as a function of how the battery is being used. The so-called B.L.O (Battery Lifetime Optimizer) protects the battery from repeated deep discharges, thus significantly prolonging the useful life of the battery.

    Specification

    Product No. I1101
    Inverter:  
    Nominal battery voltage 12Vdc
    Input voltage range 10.5 – 16Vdc (24Vdc max.)
    Continuous power @ 25°C 200VA
    Power 30 min. @ 25°C 275VA
    Power 5 min. @ 25°C 350VA
    Power 5 sec. @ 25°C 450VA
    Maximum asymmetric load 150VA
    Max. efficiency (%) 93 %
    Cos φ max. 0.1 – 1 up to 200 VA
    Detection of the load 2W (only with the solar option -S)
    Current of short-circuit 2 sec. (exit) 2.3A (4.6A*)
    Output voltage Sine wave 230Vac (120Vac*) ±5%
    Frequency 50Hz (60Hz*) ± 0.05% (crystal controlled)
    Distortion THD (resistive load) < 5% (@ Pnom.)
    Consumption Stand-by 0.3W**
    Consumption « ON » no load 2.4W
    Overheat protection (±5°C) Shut down @ 75°C - Auto-restart @ 70°C
    Overload and short circuit protection Automatic disconnection with 2 time restart attempt
    Reverse polarity protection by internal fuse 60A
    Deep discharge battery protection Shut off @ 0.87 x Unom - Automatic restart @ Unom
    Max. battery voltage Shut off @ >1.33 x Unom - Automatic restart @ < Umax
    Acoustic alarm Before low battery or overheating disconnection
    General data:  
    Weight 2.4 kg
    Dimensions hxwxl [mm] 142x163x84
    Protection index IP IP 30 conforms to DIN 40050
    Certification ECE-R 10 (E24) ✓
    EC conformity EN 61000-6-1, EN 61000-6-3, EN 55014, EN 55022, EN 60950-1
    Operating temperature -20°C up to +50°C
    Relative humidity in operation 95% without condensation
    Ventilation forced From 45°C ± 5°C
    Acoustic level < 45 dB (with ventilation)
    Warranty 5 years
    Approximate correction of Pnom -1.5%/°C since +25°C
    Recommended battery capacity > 5 x Pnom/Unom (recommended value in Ah)
    Length cables (Battery/left AC) 1.2m / 1m
    Options AJ 275-12-S
    Solar regulator:  
    Voltage max. 25Vdc
    Current max. 10Adc
    Principle Floating 3 stages (I/U/UO)
    Absorption voltage 14.4Vdc
    Floating voltage 13.6Vdc
    Plug for remote control (RCM) ✓

    * 120Vac/60Hz on request
    ** Standby with solar option -S

  • Product image

    AJ 275-12
    AJ 275-12

    Download

    Studer - AJ Series.pdf (303.2 KiB)
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