MCB1-4D-1P-C50, Circuit Protector, UL 1077, 1-Pole, 50A
FMX Supplementary Protector, UL 1077, 277 VAC, 5 kA, 1-Pole, C Curve, 50A
Weight: 0.3 lbs.Made in: China
MCB1-4D-1P-C50, Circuit Protector, UL 1077, 1-Pole, 50A
FMX Supplementary Protector, UL 1077, 277 VAC, 5 kA, 1-Pole, C Curve, 50A
Weight: 0.3 lbs.Made in: China
Specifications
FMX Supplementary Protector, UL 1077, 277 VAC, 5 kA, 1-Pole, C Curve, 50A
- UL1077 Supplementary Protectors
- DIN rail mount chassis
- Current ratings up to 63A
- B, C and D curve models to suit a wide range of applications
- Reverse feed capable
- Easy to use, finger safe, captive screws, box lugs
- UL1077, IEC 60947-2
- UL File # E482436
GENERAL SPECIFICATIONS
| Number of Poles | 1 |
| Rated Operational Voltage | 480Y / 277VAC ; 125VDC ±10% |
| Rated Frequency | 50/60Hz |
| Rated Current | 50A |
| Instantaneous Tripping Type | C (5-10 x In) |
| Interrupting Rating | 120VAC : 10kA 240VAC : 10kA 277VAC : 5kA |
| Release Type | Thermal-Magnetic |
| Service Life | Electrical : 6,000 operations Mechanical : 20,000 operations |
| Degree of Protection | IP20 |
| Wire Size | 14 - 4 AWG |
| Tightening Torque | 31 in-lbs |
| Dimensions | 3.52"H x 0.70"W x 2.99"D |
| Operating Temperature | -22°F to 167°F |
| Rated Insulation Voltage | 500V |
| Rated Impulse With-stand | 6kV |
| Pollution Degree | Class III |
| Over Voltage Category | Class III |
| Mounting | 35mm DIN Rail |
| Altitude | Less than 6,561ft. |
| Atmospheric Conditions | At 68°F, relative humidity does not exceed 90% At 104°F, relative humidity does not exceed 50% |
| Agency Approvals | UL1077, UL486, IEC 60947-2 |
