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PAK200607_01D    Jan 2021                    ©2019 ELMDENE INTERNATIONAL LTD  

 

S

PECIFICATION

 

 

 

Mains Input 

Rated Voltage 
(Operational voltage) 

110 

 240V ac 

(90 

 264V ac) 

Frequency 

50/60Hz 

Input current 

< 1.0 Amps at full load 

Inrush current 

5A Max at 25 °C 110V ac for 10ms 

Fuse 

T1.6A 20mm, 250V ac HRC 

 

Output 

Voltage at full load 

 

Mains power 

 

Battery standby 

 
27.0 

 28.3V dc  (27.6V nominal) 

20.3 

 26.0V dc 

Ripple 

<100 mV pk 

 pk max @ Rated Voltage 

Fuse 
 

Load 

 

Battery 

 

F1.6A 
F1.6A 

Battery mode selected 

1.5Ah

 

7Ah

 

Continuous Output Current 

No charging (Imax B) 

With charging  (Imax A) 

 

1.5A 
1.2A 

 

1.5A 
1.2A 

Battery Capacity 
eg 

-

 

PowerSonic model 

-

 

Yuasa model 

2 x 1.2Ah 12V 

 

PS12021 

NP1.2-12 

2 x 7Ah 12V 

 

PS12070 

NP7-12 

Battery Charging 

Constant current bulk charging to 80% capacity within 24 hours 
Float charging to 100% within 48 hours 
Eco charging and check every 24 hours 

 (for up to  8 hours pulse 

charge dependent on temperature) 

Constant current charge 

0.3A 

Low battery threshold voltage 

23V 

Deep discharge protection 

Threshold voltage 

 21V 

Quiescent current 

 no load 

< 30mA @ 27.6V 

Quiescent current 

 batt cut off 

0mA @ 27.6V 

 

 

Mechanical 

Product Reference 

STX2401-MOD 

Module Dimensions 

 w x h x d (mm) 

150 x 207 x 52 

Weight (kg)

 

0.34 

 

Environmental  

Temperature 

 Operating 

-10 to +40°C (operating) 75% RH non-condensing 

Temperature - Storage 

-20 to +80°C (storage) 

 

Summary of Contents for STX2401-MOD

Page 1: ...arge protection prevents premature battery failure when operating from standby for extended periods Two sets of volt free solid state relay fault output signal i loss of mains and ii battery fault cha...

Page 2: ...charging Imax A 1 5A 1 2A 1 5A 1 2A Battery Capacity eg PowerSonic model Yuasa model 2 x 1 2Ah 12V PS12021 NP1 2 12 2 x 7Ah 12V PS12070 NP7 12 Battery Charging Constant current bulk charging to 80 cap...

Page 3: ...S Fault GEN Fault Condition Possible Cause Action CLOSED CLOSED Normal operation Mains present Battery healthy None OPEN CLOSED Standby Mode Mains lost Battery driving load Investigate loss of mains C...

Page 4: ...ctive Battery charging normally but 90 of full charge None 2 PULSES ON No Battery Battery disconnected Battery fuse blown Battery heavily discharged Check battery connections Check battery fuse Check...

Page 5: ...ard with a 5A or greater current capacity i e 0 75mm2 nominal conductor area having a minimum operating voltage of 300 500V ac 2 The low voltage output cable must be sized to carry the rated load curr...

Page 6: ...Negative terminals of the batteries to the PCB terminals Batt and Batt using the cables provided See Figure 2 and 3 13 Connect the battery temperature sensor two white wires to the PCB terminals Temp...

Page 7: ...ENANCE This unit is intended for use by Service Personnel only There are NO USER SERVICEABLE parts inside There is no regular maintenance required of the PSU other than periodic testing and replacemen...

Page 8: ...ed via an appropriate approved WEEE disposal route in accordance with all national and local regulations Before disposal of the product any batteries must be removed and disposed separately via an app...

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