Optim TEXP

1-400HP
Horizontal F1 Mount
60Hz, 230/460V, 460V or 575V
3600, 1800, 1200 & 900 RPM
NEMA Premium Efficiency
Totally Enclosed Fan Cooled – Explosion Proof Design
1.15 S.F. Sine Wave Power; 1.0 S.F. VFD Power
Class F Insulation
Class B Temperature Rise
Max Elevation 3300ft
Continuous Duty
40°C Ambient
Shielded Bearings Frames 140T-280T and Open Bearings with Regreaseable Provisions Frames 280TS, 320T and Larger
Polyrex EM Grease in all Regreaseable Bearings, Multemp SRL Grease in Shielded Bearings
Aluminum Rotor
Cast-Iron Frame, Fan Cover, Conduit Box and End Brackets
Frame Provided with Two Threaded Drain Holes and Stainless Steel Breather Drains

Non-Sparking Plastic Fan
Number of Leads 230/460V: 9 Leads 1-5HP; 12 Leads 7.5-125HP; 6 Leads 150HP and Larger
Number of Leads 575V: 3 Leads
Solderless Lug Terminals on All Leads
Grounding Terminal Inside Main Terminal Box
Interchangeable F1 and F2 Mounting up to 449T
Paint System: Phenolic Rust Proof Base with Lacquer Top Coat
Stainless Steel Nameplate
Brass Flinger on Both Ends
*HPE™ High Pulse Endurance Spike Resistant Wire
Phenolic Alkyd Resin Varnish
Klixon 9700K Thermostats – 1 per phase
CSA/UL Certified for Class I, Division 1, Groups **C & D (Class I, Zone 1 Groups **IIB & IIA); and Class II, Division 1, Groups E, F & G
Temp Code T3B
*Speed Ranges up to 10:1 CT, and 20:1 VT. Refer to data sheet for rating specific turn down ratios
*Meets NEMA MG1 Part 31.4.4.2

* Precautions should be taken to eliminate or reduce voltage spikes and shaft currents that may be imposed on the motor by the VFD as stated per NEMA MG1, Part 31.4.4.

** Up to 256T