11B5004SL0048 - 4P CONTACTOR 48V W/O LATCH

Why Choose the 11B5004SL0048?

The Lovato B500 four-pole contactor delivers dependable high-current switching for heavy-duty installations. With an IEC AC1 operating current of 700 A and AC3 performance of 520 A/290 kW at 400 V, it suits demanding motor and power control. A universal 48 VAC/DC coil simplifies control wiring, while screw mounting streamlines installation. Rated insulation voltage is 1000 V with 8 kV impulse withstand, ensuring robust dielectric performance.

Engineered for resilience, this contactor operates from −50 to +70 °C, up to 3000 m altitude, and in Pollution Degree 3 environments. Predisposed for a mechanical latch (G495) for optional latching. Terminals tighten to 35 Nm and the device weighs 2050 g. Certified to IEC/EN 60947-1 and -4-1, with UL and CSA compliance, and backed by a 5,000,000-cycle mechanical life.

Key Benefits

• High-capacity IEC AC1 current rating of 700 A for heavy loads
• Strong AC3 performance: 520 A / 290 kW at 400 V
• Universal 48 VAC/DC coil simplifies control integration across systems
• Robust insulation: Ui 1000 V and 8 kV impulse withstand
• Wide operating temperature −50 to +70 °C for harsh environments
• Long mechanical life of 5,000,000 cycles reduces maintenance
• Screw mounting with 35 Nm terminal torque ensures secure connections
• Latch-ready design for mechanical latch G495 accessory

Technical Specification

• Product type designation: B500
• Number of poles: 4
• Rated insulation voltage Ui (IEC/EN): 1000 V
• Rated impulse withstand voltage Uimp: 8 kV
• Ith (IEC): 700 A
• Terminal tightening torque: 35 to 35 Nm
• Weight: 2050 g
• Mechanical life: 5000000 cycles
• Operating temperature: -50 to 70 °C
• Storage temperature: -60 to 80 °C
• Max altitude: 3000 m
• Pollution degree: 3

What’s Included

• Lovato B500 four-pole contactor, 48 VAC/DC coil (SKU 11B5004SL0048)
• Integrated screw terminal connections
• Manufacturer product datasheet (downloadable)

Applications

• High-power motor control at 400 V AC3 duty
• Industrial power distribution and switching in control panels
• Installations requiring mechanical latching with G495 accessory
• Harsh-environment sites within −50 to +70 °C and up to 3000 m
• Projects requiring IEC/EN, UL and CSA compliant contactors

Safety note: Installation and servicing must be performed by qualified personnel. Always isolate power, observe the specified 35 Nm terminal torque, and operate within stated temperature, altitude and standards limits.