WLM7DC-315 Dc Molded Case Circuit Breaker
TECHNICAL DATA
WLM7DC-315 PV DC Molded Case Circuit Breaker Specifications
W9 Group lists WLM7DC-315 as a photovoltaic DC molded case circuit breaker with a 315 A catalog designation and 2P / 3P pole options. Confirm the rated voltage, connection scheme and voltage-specific breaking capacity for the exact offered configuration.
| WLM7DC Moulded Case Circuit Breaker | 315 | ||||||||||||
| Rated operating current In (A),40℃ | 280-300-315 | ||||||||||||
| Rated insulation voltage Ui (V) | 1500 | ||||||||||||
| Rated impulse withstand voltage (kV) | 12 | ||||||||||||
| Rated operational voltage Ue(V),AC 50/60Hz | 250/500/750/1000/1250/1500 | ||||||||||||
| Breaking capacity code | – | M | H | ||||||||||
| Number of poles | 2P | – | ■ | ■ | |||||||||
| 3P | – | ■ | ■ | ||||||||||
| DC250V | – | – | 50 | ||||||||||
| DC500V | – | – | 50 | ||||||||||
|
Rated ultimate short-circuit breaking capacity Icu(kA) |
DC750V | – | – | 25 | |||||||||
| DC1000V | – | 15 | 25 | ||||||||||
| DC1250V | – | – | – | ||||||||||
| DC1500V | – | 5(3P20) | 7.5(3P25) | ||||||||||
|
Rated service breaking capacity Ics(kA) |
DC250V | – | – | 50 | |||||||||
| DC500V | – | – | 50 | ||||||||||
| DC750V | – | – | 25 | ||||||||||
| DC1000V | – | 15 | 25 | ||||||||||
| DC1250V | – | – | – | ||||||||||
| DC1500V | – | 5(3P20) | 7.5(3P25) | ||||||||||
| Standard | |||||||||||||
| Utilization category | A | ||||||||||||
| Ambient temperature | |||||||||||||
| Safety of insulation | ■ | ||||||||||||
| Arcing distance | 0 | ||||||||||||
|
Mechanical life (CO recycle) |
Maintenance free | 20000 | |||||||||||
|
Electrical life (CO recycle) |
Maintenance free | 1500 | |||||||||||
| Release units | |||||||||||||
| Distribution protection | TM | ■ | |||||||||||
| Mounting and connection | |||||||||||||
| Fixed | Front connection | ■ | |||||||||||
| Rear connection | ■ | ||||||||||||
| Plug-in | Front connection | ■ | |||||||||||
| Rear connection | ■ | ||||||||||||
| Draw-out | Front connection | – | |||||||||||
| Rear connection | – | ||||||||||||
| DIN rail | Front connection | – | |||||||||||
| Dimension | |||||||||||||
|
Dimension (mm) W×H×D |
Width | 78/107 | |||||||||||
| Height | 200 | ||||||||||||
| Depth | 109 | ||||||||||||
| Weight | |||||||||||||
| Weight(kg)/Fixed | 2P | 2.35 | |||||||||||
| 3P | 3 | ||||||||||||
| 4P | – | ||||||||||||
SELECTION GUIDE
Selecting a PV DC MCCB by Voltage, Poles and Fault Duty
Specify the AC/DC circuit duty, supply voltage, current, pole arrangement, breaking-capacity code and trip-unit configuration when you request a WLM7DC-315 quotation from W9 Group.
Specify the circuit side
State PV DC maximum voltage and the proposed connection arrangement; confirm the permitted series-pole wiring.
Specify the current and trip unit
Reference WLM7DC-315 and ask for the exact operating current and trip-unit functions. Confirm whether the offered unit is a breaker or switch-disconnector.
Confirm fault duty
Provide prospective fault current and request Icu/Ics at the intended voltage, pole arrangement and capacity code.
Check panel fit
Use the catalog dimensions only for initial planning; request the installation drawing, terminals and clearances for the ordered device.
ABOUT W9 GROUP
W9 Group PV DC MCCB Supply and Support
Zhejiang W9 Group Technology Co., Ltd. supplies low-voltage electrical products. For a WLM7DC-315 enquiry, contact W9 Group about configuration and matching product documents.
RELATED RESOURCES
WLM7DC-315 DC MCCB Datasheet and Connection Drawing Requests
Use W9 Group technical support and the product directory to specify WLM7DC-315. Request the matching datasheet before ordering.
PRODUCT DIRECTORYExplore W9 Group productsBrowse W9 Group models and request the specifications of the selected product
DOCUMENTSW9 Group download centreRequest the current document for your quoted WLM7DC-315 variant
BUYER FAQ
WLM7DC-315 DC MCCB FAQs: Current, Trip Unit and Voltage Checks
Find answers about WLM7DC-315 selection, configuration and ordering.
What does WLM7DC-315 identify?
The catalog identifies the WLM7DC series with a 315 A designation. Confirm the fitted current rating, pole arrangement and complete order code.
Can I apply the highest series voltage to every pole arrangement?
Confirm the rated operational voltage and wiring drawing for the selected pole arrangement. A series voltage list does not establish every voltage/pole combination.
Which protection functions are included?
Request the actual trip-unit configuration and coordination curves. Confirm breaker versus switch-disconnector and any optional accessories in the quotation.
What is needed for a WLM7DC-315 quotation?
Send the required configuration, quantity, destination market and document requirements. Ask W9 Group to confirm price, minimum order quantity, samples and lead time for the selected configuration.
What is this WLM7DC molded case circuit breaker used for?
The source identifies the WLM7DC series for its stated photovoltaic circuit duty, but exact breaker versus switch-disconnector and protection functions depend on configuration. Request the matched datasheet and trip-unit details.
How should I confirm the breaking capacity?
Provide prospective fault current and request Icu/Ics for the intended voltage, pole arrangement and capacity code; do not apply the series voltage list to every configuration.
PRODUCT ENQUIRY
Request a WLM7DC-315 PV DC MCCB Quotation
Tell W9 Group your AC/DC circuit duty, supply voltage, current, pole arrangement, breaking-capacity code and trip-unit configuration, quantity and destination market so the selected configuration can be identified.