Industrial Automation
300 AC Contactor, Size 3, Open Style, 110V at 50 Hz/120V at 60 Hz


Number of auxiliary contacts as normally open contact | 1 |
Vibration resistance | IEC 60068-2-6 |
Shock resistance | IEC 60068-2-27 |
Recommended torque | Main contacts: 6 Nm |
Conductor cross section | Main contacts, 2 conductor: 6...50 mm^2 |
Protection class | Contactor main contacts: IP00 |
Voltage type for actuating | AC |
Rated control supply voltage at AC 50 Hz | 110 V |
Rated control supply voltage at AC 60 Hz | 120 V |
Type of electrical connection of main circuit | Screw connection |
Rated impulse voltage withstand (Uimp) | 8 kV |
NEMA size | Size 3 |
Conductor size | 50 mm^2 |
Rated isolation voltage (Ui) | 600V per UL, CSA |
Standard coil, pick-up | 40VA/40 W @ 48...130V AC/DC |
Standard coil, hold-in | 4VA/2 W @ 48...130V AC/DC |
General purpose current (enclosed) | 80 A @ 600V per UL/CSA |
Operating time, closing delay | 42...100 ms (Standard coil) |
Operating time, opening delay | 17...100 ms (Standard coil) |
Rated operational current (enclosed) | 89 A @ 250V DC, with 3-poles in series per UL/CSA |
Rated operational power (enclosed) | 75 Hp @ 550-600V, 3-phase per UL/CSA |
Electromagnetic compatibility | IEC 60947-1 - Environment A |
Definite purpose rating | LRA: 630 A @ 440-480V AC (3-phase), UL/CSA HVAC applications |
Operating limits, dropout | ââ°¤0.60 x Us @ DC control |
Insulation class of the coil | Class F per IEC 60947-4-1 |
Operating limits, pick-up | (0.85...1.1) x Us @ 50/60 Hz |
MCCB current rating | Type 2 (IEC 60947-4-1): 880 A @ 400V, 70 kA available fault current |
DIN fuses (gG) current rating | Type 2 (IEC 60947-4-1): 80 A @ 690V, 60 kA available fault current |
Rated voltage (Ue) | 24, 48, 110, 220, 440V DC |
Hp rating, max | 50 Hp @ 575V (60 Hz), 3-phase (Full-load current must not exceed continuous ampere) |
Coil voltage | 110V-50 Hz/120V-60 Hz |
Switching of lighting loads | Tungsten lamps, 3-phase (break all lines) (UL/CSA): 105 A @ 600V |
UL class RK5 fuses rating | Type 1 combination (UL60947 and CSA 22.2 No.14): 200 A @ 600V, 10 kA available fault current |
Rated operational current (Ie) | 85 A @ 690V, AC-1 (50/60 Hz), ambient temperature 70 ðC |
UL class J and CSA HRCI-J fuses rating | Type 1 combination (UL60947 and CSA 22.2 No.14): 200 A @ 600V, 100 kA available fault current |
UL inverse-time circuit breaker | Type 1 combination (UL60947 and CSA 22.2 No.14): 250 A @ 600V, 50 kA available fault current |
Switching of power transformers | Apparent power: 99 kVA @ 600V, AC-6a, 60 Hz (n = 20) |
Rated operational power (Pe) | 90 kW @ 415V, AC-1 (50/60 Hz), ambient temperature 40 ðC |
Switching of DC loads | 3-Poles in series: 125 A @ 220V (Shunt-wound Motors-Starting, reverse current breaking, reversing, stepping DC-3 at 60 ðC) |
Number of power poles | Three pole + 1 NO auxiliary hold-in contact |
Width | 3.19 mm |
Height | 4.8 mm |
Depth | 4.8 mm |
Enclosure | Open Type |
Lug | No built-in lug |
Climatic withstand | Category B according to IEC 60947-1, Annex Q |
Ambient temperature | Storage: -40...70 ðC (-40...158 ðF) |
Altitude, max | 3000 m |
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