Littelfuse-Commercial Vehicle Catalog
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DCNHR250QFA
DCNHR 250A 450V P Aux 9-36Vcoil | Series: DCNHRThe DCNHR Series 450V High-Voltage DC Contactor Relay is normally open with a low-power coil in a corrosion-resistant housing for use in harsh vehicle environments. The contactor's permanent magnet helps to achieve a high-voltage DC cutoff.
This DCNHR Series contactor relay (DCNHR250QFA) is for 250A contact switching. It includes an auxiliary contact and features polarized main contacts.
| Property | Value |
|---|---|
Current Rating (Continuous) in Amps | 250 |
Current Rating (inrush) in Amps | 350A 900Sec. 500A 180Sec. |
Voltage Rating (V) | 900 |
Circuitry | SPST NO |
Ingress Protection | IP54 |
Input Terminals | M8 Bolt |
Output Terminals | M8 Bolt |
Contacts | Copper alloy with silver surface |
Normal Position | Normally Open |
Hardware | M8 Stainless Steel Nuts |
Housing | Nylon 66 |
Mounting Method | BOTTOM MOUNT |
Recommended Torque | 8-12N.m |
Agency Approval - Shock | Shock, 11ms 1/2 Sine, Peak, Operating 20G |
Agency Approval - Vibration | Vibration, Sine, 80-2000Hz., Peak 20G |
Temperature Maximum (°C) | 85 |
Temperature Minimum (°C) | -40 |
Temperature Maximum (°F) | 185 |
Temperature Minimum (°F) | -40 |
Aux Contacts | Yes |
Coil Type | Single |
Agency Approval - Humidity | 5%~90% RH |
Polarized | Yes |
Coil Voltage | 9-36 |
- Designed for 250 A contact switching
- Polarized main contacts
- Includes an auxiliary contact
DCNHR250QFA Resources
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| Part Number | Part Description | RoHS | Pb-Free | RoHS (2015/863/EU) Certificate | REACH (SVHC's) Declaration | REACH (SVHC's) | Halogen Free | IPC-Material Declaration | |
|---|---|---|---|---|---|---|---|---|---|
| DCNHR250QFA | DCNHR 250A 450V P Aux 9-36Vcoil | View More |
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