The DCNLM400NB24 is a 60V DC maximum, normally open, single-coil contactor relay with a 400A continuous current rating and a 24V coil voltage, designed for stationary applications such as communication power supplies and uninterruptible power supplies. It features 48V non-polarized main contacts, side mounting, and a dielectric withstand voltage of 1000V AC. The relay has an electrical life of 6000 cycles at 48V DC and a mechanical life of 100,000 cycles. Operating temperature ranges from -40°C to +70°C, with an ingress protection rating of IP40. Terminal torque specifications are 9-11 N·m for contact terminals and 1.7-2.5 N·m for coil terminals, using M4 fasteners. Approval certifications include UL Recognized and CCC for the 400A variant.
The DCNLM Series 48V High-Current DC Contactor Relay features 400A contact switching capability with a 24V coil rating, which is suitable for a wide variety of applications, including use in electrical control systems, communication power supplies, engineering machines, and uninterruptible power supplies (UPS).This configuration of the DCNLM normally open, high-current DC contactor (DCNLM400NB24) features 48V non-polarized main contacts and a single-coil design. 400A continuous current rating for high-current contact switching 1600A 5 ms make-break rating 24V coil rating Single-coil relay design
| Littelfuse, Inc. | |
|---|---|
| Product Category | High Voltage Relays |
| Product Number | DCNLM400NB24 |
| Product Name | 60V DC Max Normally Open SPST Industrial Contactor Relays for Stationary Applications |
| DC Coil Voltage | 24 volts |
