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Siemens 6EP1931-2DC31

SITOP DC UPS module 24 V/6 A uninterruptible power supply with serial interface input: 24 V DC/6.85 A output: 24 V DC/6 A

SiemensMFR # 6EP1931-2DC31SKU # CEY-937FC77D4F7B

product brand nameSITOP

product type designationDC UPS

type of current supplyDC UPS 24 V/6 A

voltage curve at inputDC

supply voltage at DC rated value24 V

input voltage at DC22 ... 29 V

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About This Product

SITOP DC UPS module 24 V/6 A uninterruptible power supply with serial interface input: 24 V DC/6.85 A output: 24 V DC/6 A

Siemens 6EP1931-2DC31

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
Equivalent and alternative product suggestions
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Specifications

General information

product brand nameSITOP

product type designationDC UPS

type of current supplyDC UPS 24 V/6 A

input

voltage curve at inputDC

supply voltage at DC rated value24 V

input voltage at DC22 ... 29 V

adjustable response value voltage for buffer connection preset22.5 V

adjustable response value voltage for buffer connection22 ... 25.5 V; Adjustable in 0.5 V increments

input current at rated input voltage 24 V rated value6 A; + approx. 0.6 A with empty battery

memory

type of energy storagewith batteries

product function DC-UPS modularly expandableYes

design of the mains power cut bridging-connectionDependent on connected battery and load current, see selection table battery module and mains buffering times as well as the relevant important information notes!

output

in normal operation at DC rated value24 V

in buffering mode at DC rated value24 V

formula for output voltageVin - approx. 0.5 V

startup delay time typical1 s

voltage increase time of the output voltage typical60 ms

output voltage in buffering mode at DC19 ... 28.5 V

rated value6 A

in normal operation0 ... 6 A

in buffering mode0 ... 6 A

peak current6.3 A

property of the output short-circuit proofYes

charging current0.2 A, 0.4 A

efficiency

at rated output voltage for rated value of the output current typical95 %

in case of operation on rechargeable battery typical94.5 %

at rated output voltage for rated value of the output current typical7 W

in case of operation on rechargeable battery typical8 W

supplied active power typical144 W

protection and monitoring

reverse polarity protection against energy storage unit polarity reversalYes

reverse polarity protection against input voltage polarity reversalYes

for normal operationNormal operation: LED green (OK), floating changeover contact "Bat/OK" to setting "OK" ("OK" means: Voltage of the supplying power supply unit is greater than cut-in threshold set at the DC UPS module); Lack of buffer standby: LED red (alarm), floating changeover contact "Alarm/Bat" to setting "Alarm"; Battery replacement required: LED red (alarm) flashing with approx. 0.25 Hz, floating changeover contact "Alarm/Bat" switching with approx. 0.25 Hz; Energy storage > 85%: LED green (Bat > 85%), floating NOcontact "Bat > 85" closed; Permissible contact current capacity: DC 60 V/1 A or AC 30 V /1 A

in buffering modeBuffered mode: LED yellow (Bat), floating changeover contact "OK/Bat" to setting "Bat"; Prewarning battery voltage < 20.4 VDC: LED red (alarm), floating changeover contact "Alarm/Bat" to setting "Alarm"; Energy storage > 85%: LED green (Bat > 85%), floating NO contact "Bat > 85" closed

interfaces

product component PC interfaceYes

product function communication functionNo

design of the interfaceserial

safety

galvanic isolation between input and outputNo

operating resource protection classClass III

protection class IPIP20

for emitted interferenceEN 55022 Class B

for interference immunityEN 61000-6-2

standards, specifications, approvals

CE markingYes

UL approvalYes; cULus-Listed (UL 508, CSA C22.2 No. 107.1), File E197259

EAC approvalYes

MTBF at 40 °C966 183 h

standards, specifications, approvals marine classification

shipbuilding approvalYes

American Bureau of Shipping Europe Ltd. (ABS)Yes

Det Norske Veritas (DNV)Yes

standards, specifications, approvals Environmental Product Declaration

Environmental Product DeclarationYes

total221.8 kg

during manufacturing18.5 kg

during operation202.8 kg

after end of life0.34 kg

ambient conditions

during operation-25 ... +60 °C; with natural convection

during transport-40 ... +85 °C

during storage-40 ... +85 °C

environmental category according to IEC 60721Climate class 3K3, 5 ... 95% no condensation

connection method

type of electrical connectionscrew terminal

at input24 V DC: 2 screw terminals for 1 ... 4 mm²/17 ... 11 AWG

at output24 V DC: 4 screw terminals for 1 ... 4 mm²/17 ... 11 AWG

for rechargeable battery module24 V DC: 2 screw terminals for 1 ... 4 mm²/17 ... 11 AWG

for control circuit and status message10 screw terminals for 0.5 ... 2.5 mm²/20 ... 13 AWG

mechanical data

width × height × depth of the enclosure50 × 125 × 125 mm

installation width × mounting height50 mm × 225 mm

top50 mm

bottom50 mm

left0 mm

right0 mm

fastening methodSnaps onto DIN rail EN 60715 35x7.5/15

DIN-rail mountingYes

S7 rail mountingNo

wall mountingNo

housing can be lined upYes

net weight0.45 kg

accessories

electrical accessoriesBattery module

additional information

other informationSpecifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified)

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Siemens 6EP1931-2DC31

About This Product

Siemens 6EP1931-2DC31

Specifications

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