Audited Supplier
WCM9Z series photovoltaic dedicated DC Moulded case
circuit breakers are suitable for DC grid circuits with rated
voltage up to DC1500V and rated current 630A. The DC
circuit breakers have overload long-delay protection.
Short-circuit instantaneous protection function is used to
distribute electric energy and protect lines and power
equipment from overload, short-circuit and other faults.
The operating mechanism of the DC circuit breaker has
quick closing and quick breaking functions. It has a compact
structure, small size and is easy to use.
This product complies with the requirements of
GB 14048.2 and IEC/EN 60947-2 standards.
WCM9Z
Pole: 2P, 3P
Voltage: DC 1000V/1250V/1500V
kA: Ue1000v 20kA, Ue1500v 15kA
Inm(A): 250A, 630A
In(A): 100/125/140/160/180/200/225/250/320/350/400/500/630A
| Model | WCM9Z | WCM9Z | WCM9Z | |
| Rated operating voltage(Ue) | DC1000V | DC1250V DC1500V | DC1000V DC1250V DC1500V | |
| Rated insulation voltage (Ui) | 1500V | 1500V | 1500V | |
| Rated impulse voltage (Uimp) | 12kV | 12kV | 12kV | |
| Number of poles | 2 | 3 | 4 | |
| Trip unit type | Thermomagnetic type (thermal magnet is not adjustable) TMD Fixed | |||
| Frame rated current (Inm) | 250A | 630A | ||
| Rated operating current (In) | 100/125/140/160/180/200/225/250A | 320/350/400/500/630A | ||
| Rated ultimate short circuit breaking capacity (lcu) | Ue1000v 20kA | Ue1500v 15kA, Ue1250v 20kA | Ue1250/1500v 15kA, Ue1000v 20kA | |
| Operational breaking capacity (Ics) | 75%ICU | Ue1500v 15kA, Ue1250v 20kA | Ue1250/1500v 15kA, Ue1000v 20kA | |
| Protective function | Long time delay protection (Ir) | 1In | ||
| Instant protection (li) | 6In(Min1000A) | |||
| Service life | Mechanical | 10000times | 5000times | |
| Electrical | 1000times | 500times | ||
| Installation type | Fixed | Fixed | Fixed | |
| Protection level | Wiring port: IP20/All sides: IP40 | |||
| Operating temperature | -40ºC~+75ºC | |||
| Operating Instructions | ON/OFF instruction | |||
| Is the release adjustable? | NO | |||
| Isolation function | YES | |||
Frequently Asked Question (FAQ)
Q: About the company
A: Westhomes® is a professional manufacturer for low voltage and high voltage electrical products with a thirty-year history.
Main supplier of state-owned companies like China Stae Grid, China Southern Power Grid through bidding with bunches of test certificates, sales records and operation performance to support.
Enough investment for research and development for the products innovation.
Q: About Warranty
A: 18 months from the date of receivement
Q: About shipment method
A: Depends on the required quantity and delivery urgency, both international express like UPS / DHL / EMS / HK EMS / FedEx / TNT (door to door service) and normal sea shipping & air freight also avaliable.
Q: About MOQ
A: Up to the client
Q: About payment method
A: We accept T/T, Paypal, Western union, L/C. Normally 30% payment in advance, 70% before delivery.
Q: About ordering process
A: First to send an inquiry via made-in-china platform or directly to the contact e-mail address. All the following thing is the communication between us.
