Thermal overload relays with bimetals are inexpensive electromechanical protection devices for the main circuit. They offer reliable motor protection in the event of overload or phase failure.

Thermal overload relays and overload relays are electromechanical protection devices for the main circuit. They offer reliable motor protection in the event of overload or phase loss.

Features:

• Abb series
• Auxiliary circuit tightening torque 1 ... 1.5 Nm - main circuit 1.5...2.5 Nm
• Insulation stripping length auxiliary circuit 9 mm - main circuit 12 mm
• Screwdriver recommended main circuit Pozidriv 2
• Power loss at nominal operating conditions per pole 1.3 W
• Ambient temperature in operation -25..+60 °C - Operation Compensated -25..+60 °C - in storage -50..+80 °C
• Ambient air temperature compensation Yes
• Shock resistance according to IEC 60068-2-27 11 ms Pulse 25g
• Max. permissible operating altitude 2000 m
• Vibration resistance according to IEC 60068-2-6: 5g / 3 ... 150 Hz
• Cable cross-sections - auxiliary circuit:
• Flexible with Ferrule 1/2x 0.75 ... 2.5 mm²
• Flexible with Insulated Ferrule 1x 0.75 ... 2.5 mm²
• Flexible with insulated ferrule 2x 0.75 ... 1.5 mm² Flexible with Insulated Ferrule
• Flexible 1/2x 0.75 ... 1 mm²
• Flexible 1/2x 1 ... 2.5 mm² Rigid
• Rigid 1/2x 0.75 ... 4 mm²
• Main cable-circuit cross-sections
• Flexible with Ferrule 1/2x 0.75 ... 4 mm²
• Flexible with Insulated Ferrule 1/2x 0.75 ... 4 mm²
• Flexible 1/2x 0.75 ... 4 mm² Rigid
• Rigid 1/2x 0.75 ... 4 mm²

Rated operating current AC-15 (Ie)

• (120 V) NC 3 A
• (120 V) NO 0.5 A
• (240 V) NC 3 A
• (240 V) NO 0.5 A
• (400 V) NC 0.75 A
• (400 V) NO 0.5 A
• (500 V) NC 0.75 A
• (500 V) NO 0.5 A

Rated operating current DC-13 (Ie)

• (125 V) NC 0.55 A
• (125 V) NO 0.55 A
• (24 V) NC 1.25 A
• (24 V) NC 1.25 A
• (250 V) NC 0.27 A
• (250 V) NO 0.27 A
• (500 V) NC 0.15 A
• (500 V) NO 0.15 A
• (60 V) NC 0.55 A
• (60 V) NO 0.55 A

Dimensions and weight:

• Width 45 mm
• Height 88.3 mm
• Depth 70.5 mm
• Net weight 0.13 kg