XF.50504, 0.5 Hp, 1800 RPM, 575 V, 3 Ph, 60 Hz, TEFC‑XP, Frame B56EX

This explosion‑proof three‑phase AC motor is engineered for use in hazardous environments, offering a compact 56 frame, totally enclosed fan‑cooled construction, and reversible rotation capability.

KEY FEATURES

• Model: XF.50504

• Horsepower: 0.5 Hp (0.37 kW)

• Voltage: 575 V

• Speed: 1800 RPM

• Frame: B56EX

• Enclosure: TEFC‑XP (Totally Enclosed Fan Cooled – Explosion Proof)

• Poles: 4

• Service Factor: 1.15

• Insulation Class: B

• Temperature Rise: 80 K

• Degree of Protection (IP Code): IP44

• Duty: Continuous (S1)

• Rated Speed: 1755 RPM

• Rated Current: 0.650 A

• No‑Load Current: 0.500 A

• Locked Rotor Current (LRC): 6.8× (Code K)

• Locked Rotor Torque: 220 %

• Breakdown Torque: 330 %

• Slip: 2.50 %

• Moment of Inertia (J): 0.0800 sq.ft.lb

• Rotation: Both (CW and CCW)

• Bearing Type: 6203 ZZ (DE and NDE)

• Frame Material: Rolled Steel

• Shaft Material: SAE 1040/45 Carbon Steel

• Grease Type: Mobil Polyrex EM

• Ambient Temperature: –20 °C to +40 °C

• Altitude Rating: 1000 m.a.s.l.

• Painting: RAL 7022 207N (ISO 12944 – C2)

• Fan Cover Material: Steel

• Fan Material: Plastic

• Impregnation Method: Dip and Bake Polyester

• Balancing Method: 1/2 Key

• Overload Protector: Without overload protector

• Terminal Box: Without Terminal Box

• Flange: Without

• Grounding Lugs: Single

• Noise Level: 50.0 dB(A)

• Locked Rotor Time: 27 s (cold), 15 s (hot)

• Sealing: Without Bearing Seal

The motor’s explosion‑proof enclosure and reversible rotation make it well suited for demanding hazardous‑location applications requiring robust protection.