SamplexPower SEC-1235 Owner'S Manual Download | Manualshive

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SAMLEX AMERICA, INC.

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Switch Mode

DC Power

Supplies

SEC-1235

SEC-1235M

Please read this
manual BEFORE
installing your
Power Supply.

Owner's

Manual

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Summary of Contents for SEC-1235

Page 1: ...SAMLEX AMERICA INC 1 Switch Mode DC Power Supplies SEC 1235 SEC 1235M Please read this manual BEFORE installing your Power Supply Owner s Manual ...

Page 2: ...AL Index SECTION 1 Safety Instructions 3 SECTION 2 Layout Dimensions 4 SECTION 3 Product Overview 6 SECTION 4 Troubleshooting Guide 9 SECTION 5 Limiting Electromagnetic Interference 10 SECTION 6 Specifications 13 SECTION 7 Warranty 15 ...

Page 3: ...ape as those of the original power supply plug 4 Place the unit in an area that will allow air to flow freely around the unit DO NOT BLOCK OR OBSTRUCT vent openings on the side bottom of the unit 5 Keep the unit away from moisture and water 6 NEVER operate the units in parallel WARNING Your power supply should be grounded to reduce the risk of electric shock The power supply comes with a detachabl...

Page 4: ... 320 C13 connector on one end and NEMA5 15P plug on the other end 3 Black Negative DC Load Terminal Tubular hole Dia 5mm 0 2 and set screw slot head 10 24 TPI 5 16 long 4 Red Positive DC Load Terminal Tubular hole Dia 5mm 0 2 and set screw slot head 10 24 TPI 5 16 long 5 Air inlet slots for cooling fan cooling fan and air outlet slots at the bottom not shown Dimensions WxDxH 185 x 208 x 61 mm 7 28...

Page 5: ...onnector on one end and NEMA5 15P plug on the other end 3 Black Negative DC Load Terminal Tubular hole Dia 5mm 0 2 and set screw slot head 10 24 TPI 5 16 long 4 Red Positive DC Load Terminal Tubular hole Dia 5mm 0 2 and set screw slot head 10 24 TPI 5 16 long 5 Air inlet slots for cooling fan cooling fan and air outlet slots at the bottom not shown 6 Voltmeter 7 Ammeter Dimensions WxDxH 185 x 212 ...

Page 6: ...e printed circuit board PCB have been connected shorted with a flexible wire jumper To convert to 230 VAC input disconnect the quick disconnect connector at point D by pulling it upwards Tape this end with an insulation tape and use a cable tie to tie it securely to the wire harness running above The fuse on the AC side for the preset input voltage of 120 VAC is rated at 250V 8A For 230 VAC op era...

Page 7: ... input connection AC outlet and the fuse inside the power supply The voltmeter on SEC 1235M will read 13 8V Now switch ON the DC load The ammeter on SEC 1235M will indicate the current drawn by the load Ensure that the continuous load is limited to 30A Cooling Fan Control Thermal Protection WARNING Operate the unit in a well ventilated open and cool area DO NOT block the openings at the fan discha...

Page 8: ...nd 10 to 11 4V When a deeply discharged 12V battery is charged at say 13 8V it will initially draw a very large current As the battery capacity is restored the battery voltage increases to around 13 8V when fully charged and the current drawn by the battery reduces a few hundred mA If a deeply discharged battery is directly charged by SEC 1235 SEC 1235M the battery will initially draw a very large...

Page 9: ...s regulation and drops to 13 5V the unit is overloaded and is in current limit The load is trying to draw the current limit value of 35A If the voltage drop is considerable with voltage 2V the load side is seeing a short circuit and short circuit current limited to the cur rent limited to 35A is being driven into the short circuit AC input voltage setting has been changed to 230 VAC but AC input v...

Page 10: ...s due to their fast switching current transitions harmonics of the switching frequency and broadband noise created by under damped oscillations in the switching circuit The secondary source is from the bridge rectifier both rectifier noise and diode recovery The AC input rectifier capacitor in the front end of the SMPS excepting those with Power Factor correction generate power sup ply harmonics d...

Page 11: ...ers The RF absorption of the ferrite coated cable avoids resonances at high frequencies reducing the conducted and radiated RF noises even further For example consider suitability of EMC Cord IMU 14 from EMC Eupen www emceupen com or similar Use additional appropriate DC radio frequency interference RFI power line filter rated for minimum 30 A immediately after the DC output of the power supply Fo...

Page 12: ...mally installed in AC Branch Circuits feeding power outlets in wet areas like marine craft RVs spas hot tubs kitchens washrooms etc As explained earlier RF noise filtration circuits in SMPS generate intentional Earth Leakage Current SMPS are used extensively as DC power sources in modern day electrical elec tronic devices e g Audio Video Computing devices power supplies battery chargers etc A sing...

Page 13: ...to recovery Output Noise and Ripple 150 mV Peak to Peak Peak Efficiency 85 5 Output Metering Voltmeter and Ammeter DESIGN Type Switch Mode Power Supply SMPS with Fixed Frequency Pulse Width Modulation PWM Output Side Switching Frequency 30 5 KHz PROTECTIONS Short Circuit Overload Constant Current Limiting at 35A Auto Reset Over Voltage Regulated by PWM Controller Over Temperature Output shuts down...

Page 14: ...or USA UL Standard ANSI UL 60950 1 and for Canada CSA Standard CAN CSA C22 2 No 60950 1 Electro Magnetic Inter ference EMI Radiated Conducted FCC Part 15 B Class B INPUT OUTPUT CONNECTIONS AC Input Connection IEC 320 C14 Inlet Connector on the unit Detachable Power Cord with o IEC 320 C13 Connector on one end o NEMA5 15P Plug on the other end DC Output Connectors Terminal with Tubular Hole Diamete...

Page 15: ...ing a reasonable number of opportunities to do so Warranty service shall be performed only by the Warrantor Any attempt to remedy the defect by anyone other than the Warrantor shall render this warranty void There shall be no warranty for defects or damages caused by faulty installation or hook up abuse or misuse of the equipment including exposure to excessive heat salt or fresh water spray or wa...

Page 16: ... Toll Free Numbers Ph 800 561 5885 Fax 888 814 5210 Local Numbers Ph 604 525 3836 Fax 604 525 5221 Website www samlexamerica com USA Shipping Warehouse Kent WA Canadian Shipping Warehouse Delta BC Email purchase orders to orders samlexamerica com ...

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