NTE Electronics
NTE Electronics RLY540 Series Definite Purpose Contactors
 
NTE Electronics
Definite Purpose Contactors
RLY400 Series, Definite Purpose, 3PST-DM, 25 Amp, Magnetic Contactors
RLY530 Series, Definite Purpose, 30 FLA, 1-, 2-, and 3-Pole Contactors
RLY540 Series, Definite Purpose, 40 FLA, 1-, 2-, and 3-Pole Contactors
RLY550 Series, Definite Purpose, 50 FLA, 3-Pole NO Contactors
RLY600 Series, Definite Purpose, 40 Amp, 3PST-DM Contactors
Motor Reversing Contactors
RLY700 Series, Compact Motor Reversing Contactors, 15 Amp, 6-Pole-DM (3 Per Coil)
RLY540 Series, Definite Purpose, 40 FLA, 1-, 2-, and 3-Pole Contactors
 
NTE RLY540 1-Pole Definite Purpose Contactor NTE RLY540 2-Pole Definite Purpose Contactor NTE RLY540 3-Pole Definite Purpose Contactor
Features:
  • #14-4 Compression Lugs with .250"(6.35mm) QC Terminals
  • Silver Cadmium Oxide Contacts
  • UL 508 File No. E227250, Class NLDX2, NLDX8
 
 
Part Number Coils Contacts Diag. No.
Input Voltage Nom. Power Contact Arr. Max. Contact Cur.@ 600 VAC
Add part number RLY540-1-24 to your Quote. RLY540-1-24 24 VAC 5.0 VA SPST-NO 40A D86
Add part number RLY540-1-120 to your Quote. RLY540-1-120 120 VAC 5.0 VA SPST-NO 40A D86
Add part number RLY540-1-240 to your Quote. RLY540-1-240 240 VAC 5.0 VA SPST-NO 40A D86
Add part number RLY540-2-24 to your Quote. RLY540-2-24 24 VAC 6.5 VA DPST-NO 40A D87
Add part number RLY540-2-120 to your Quote. RLY540-2-120 120 VAC 6.5 VA DPST-NO 40A D87
Add part number RLY540-2-240 to your Quote. RLY540-2-240 240 VAC 6.5 VA DPST-NO 40A D87
Add part number RLY540-3-24 to your Quote. RLY540-3-24 24 VAC 6.0 VA 3PST-NO 40A D88
Add part number RLY540-3-120 to your Quote. RLY540-3-120 120 VAC 6.0 VA 3PST-NO 40A D88
Add part number RLY540-3-240 to your Quote. RLY540-3-240 240 VAC 6.0 VA 3PST-NO 40A D88
 
Number of Poles Motor Ratings in Amps
Full Load Resistive Locked Rotor
@ 600VAC @ 240VAC @ 480VAC @ 600VAC
1 & 2 40A 50A 200A 160A 120A
3 40A 50A 240A 200A 160A
 
Motor Horsepower Ratings
Motor Type @ 120VAC @ 240VAC @ 240/277VAC @480VAC
1Ø2P 2 HP 3 HP - -
1Ø2P 2 HP 3 HP - -
1Ø3P 3 HP - 7.5 HP -
3Ø3P - - 10 HP 20 HP
 
Electrical Specifications
Initial Dielectric Strength
Between Contact and Coil 2200 VAC
Between Poles 2200 VAC (includes shunt)
Between Open Contacts 2200 VAC (no shunt)
   
Insulation System 130°C Class B
Power Pole Terminations Box Lug
Wire Size 14-4
Recommended Tightening Torque 40 in. lbs.
Quick Connects
Coil Terminals Dual .250" QC
Power Terminals: 1-Pole Quad .250" QC
Power Terminals: 2-Pole Quad .250" QC
Power Terminals: 3-Pole Dual .250" QC
Coil
Nom Coil Resistance - 1-Pole 18 ohms (24V); 420 ohms (120V); 1800 ohms (240V)
Nom Coil Resistance - 2-Pole 11 ohms (24V); 237 ohms (120V); 1000 ohms (240V)
Nom Coil Resistance - 3-Pole 7 ohms (24V); 180 ohms (120V); 720 ohms (240V)
Max. Pick-up Voltage 75% of nominal or less, DC
Min. Drop-out Voltage 6-15V (24V); 20-70V (120V); 40-140V (240V)
Nom Inrush (60Hz) 28VA (1-Pole); 30VA (2-Pole); 60VA (3-Pole)
Max Coil Voltage 30V (24V); 132V (120V); 264V (240V)
Environmental Characteristics
Operating -40°C to +65°C
Weight
1-Pole 8.0 oz (226.8 g) - typical
2-Pole 9.6 oz (272.2 g) - typical
3-Pole 1 lb (453.6 g) - typical
Note: It is not recommended to mount or operate contactors upside down.
 
Accessories for the RLY540 Series - For Use with 3-Pole Contactors Only
RLY9190 RLY9191
Add part number RLY9190 to your Quote. RLY9190 Add part number RLY9191 to your Quote. RLY9191
Auxiliary Switch, 1 SPDT Snap Action Switch w/.250" QC Terminals, Max. Current 10A @ 300VAC Auxiliary Switch, 2 SPDT Snap Action Switches w/.250" QC Terminals, Max. Current 10A @ 300VAC
RLY9192 RLY9193
Add part number RLY9192 to your Quote. RLY9192 Add part number RLY9193 to your Quote. RLY9193
Auxiliary Switch, 1 SPST-NO and 1 SPST-NC Switch w/.250" QC Terminals, Max. Current 10A @ 600VAC Auxiliary Switch, 1 SPST-NO and 1 SPST-NC Switch w/6-32 Screw Terminals, Max. Current 10A @ 600 VAC
 
Diagram D86
Diagram D87
Diagram D88