You need to commission a line and you are looking for one clear answer: what is the real 30 kW electric motor price, and how fast can you get it? You are in the right place. As HEM Motor, we build 30 kW electric motors with manufacturer discipline and keep the most-requested pole and frame combinations ready to ship from stock. From pump stations to conveyor lines, from compressors to fan groups, the 30 kW class is one of the backbone power ratings of industry, which is why fast quotation and in-stock sale are part of our daily routine rather than an empty promise. On this page we cover pole options, frame size, efficiency class, starting method and every detail you should know before ordering.

Sharing the factors that shape the price openly helps you buy the right motor the first time; a wrong choice doubles both shipping and installation cost. Each heading below is designed to clear your questions before you even pick up the phone. For the full product range and current electric motor prices, explore our homepage and then finalize your order with the fast-quote call on this page.

Pole and Speed Options for the 30 kW Electric Motor

The first thing to settle when looking for a 30 kW motor is speed. The number of poles defines the synchronous speed and therefore the working character of the driven machine. 2-pole (around 3000 rpm) is indispensable for high-speed pumps and compressors; 4-pole (around 1500 rpm) is the balanced favourite for conveyors, mixers and general-purpose drives. 6-pole (around 1000 rpm) steps in for heavy-duty applications that need low speed and high torque.

Choosing the right pole count directly affects how hard you push the motor and your energy bill. The table below summarises typical uses of pole selection in the 30 kW class:

Number of PolesApprox. Speed CharacterTypical 30 kW Application
2-poleHigh speedCentrifugal pump, screw compressor, high-flow fan
4-poleMedium speedConveyor, mixer, general industrial drive
6-poleLow speedHard-start machine, low-speed mixer, crusher feed

If you hesitate on speed, the rpm value on your machine nameplate is usually the guide. Our detailed article on motor speed and the right power-speed combination with pulleys and belts is a practical resource for adjusting speed by ratio.

30 kW large grey electric motor for in-stock sale

The 200 Frame Size and Mechanical Fit

Depending on pole count, 30 kW motors are mostly built around the 200 frame (IEC 200 frame). The frame size standardises foot-hole spacing, shaft diameter, shaft height and flange dimensions. This standardisation means that when you remove the motor on your existing machine and fit a HEM Motor unit, it seats exactly in place with no extra drilling and no adapter plate. If you are replacing a motor on an imported machine, sharing the frame code from the existing nameplate speeds up the quotation.

  • B3 foot mounting: classic bolt-down connection to floor or base.
  • B5 flange mounting: direct flange connection to a pump or gearbox.
  • B35 foot+flange: dual-support mounting requiring both foot and flange.

If you are unsure of the connection type, compare mounting types on our B3-mounted electric motors and B5 flange electric motors pages. The right frame and connection affect both the 30 kW motor price and your installation labour.

IE3 vs IE4 Efficiency Class: Which One Pays You Back?

In a mid-to-upper power motor like 30 kW, the efficiency class affects something far bigger than the purchase price: your annual energy consumption. IE3 Premium is the efficient solution accepted as standard in this power band under regulation. IE4 Super Premium offers a much faster payback for lines that run continuously, thousands of hours a year. On a 30 kW motor running 16-24 hours a day, switching to IE4 can recover the initial cost difference quickly.

CriterionIE3 PremiumIE4 Super Premium
Recommended duty profileMedium, intermittent runningLong, continuous running
Energy consumption tendencyLowLower
Price-performance balanceFast supply, wide stockAdvantageous at high running hours

To understand the technical detail of efficiency class and which power forces which class, explore our IE3 Electric Motors and IE4 Electric Motors categories. For a standard line, our standard electric motors range covers the most-requested powers including 30 kW.

30 kW grey electric motor from manufacturer stock

Starting a 30 kW Motor: DOL, Star-Delta and Soft Starter

The inrush current of a 30 kW motor can stress your grid and transformer. That is why the starting method is an inseparable part of motor selection. Direct-on-line (DOL) is practical at small powers; but in the 30 kW class most plants choose star-delta or an electronic soft starter. On generator-fed sites the starting current is critical, and if the wrong method is chosen the motor cannot start.

  • Star-delta: cuts the starting current to roughly one third, economical and common.
  • Soft starter: smooth, ramped start that reduces mechanical shock and belt wear.
  • VFD (drive): ideal for lines needing speed control and energy saving.

We covered the inrush problem and its solutions on generator-fed sites in our article on electric motor selection on generator-powered sites. Settling the starting method before ordering keeps you free of surprises in the field.

Why Is 30 kW One of the Most-Requested Powers?

30 kW matches a wide application range: pump stations, booster groups, mid-size conveyors, crushing-screening auxiliary drives and ventilation fans. This prevalence makes it one of the easiest powers to keep in stock and one of the most demanded ratings. The HEM Motor strategy steps in exactly here: by keeping the most-requested 30 kW combinations constantly in stock, we bring delivery down to days.

For plants that want a spare for a critical line, our guide on the critical spare motor list and stock planning explains which powers should sit on the shelf. 30 kW is almost always at the top of that list.

30 kW large grey electric motor in a palletised shipping crate

Cooling, Protection Class and Ambient Conditions on a 30 kW Motor

As much as the price of a 30 kW motor matters, so does how well it withstands the environment it is installed in. Our standard range comes with IP55 protection; this protection is sufficient for the vast majority of industrial environments against dust ingress and water jets from any direction. For dusty crushing plants, open-field pump stations or washdown lines, we recommend the IP65/IP66 upgrade. On the cooling side, the standard fan-cooled (IC411) design dissipates heat in most applications without extra equipment.

Conditions such as hot climate, high altitude or enclosed cabinet mounting can reduce the power the motor can deliver (derating). At a borderline power like 30 kW, evaluating this at the order stage keeps the motor from being overstressed during summer. As insulation, an F-class winding combined with a B-class temperature rise leaves a thermal margin that extends motor life. When you share your ambient conditions, we settle the right protection and cooling configuration together.

  • IP55: the default protection for standard industrial environments.
  • IP65/IP66: upgraded protection for heavy dust, pressurised water and outdoor sites.
  • F/H insulation: thermal margin for long life in high ambient temperatures.

Delivery, Shipping and Commissioning Plan

A 30 kW class motor exceeds the weight one person can lift and carry; that is why the shipping and commissioning plan is part of the purchase decision. We ship our motors in palletised crates with the shaft and terminal box protected. On arrival, lowering it by crane from the lifting eyebolt, seating it vibration-free on the base and aligning the coupling directly affect its life. Because we shorten delivery with the in-stock sale advantage, you can place the motor comfortably into your project schedule.

If you need several 30 kW motors, we plan the bulk shipment in one go and build the site delivery timeline together. Not skipping the insulation measurement, rotation check and first-run steps before commissioning also secures the warranty coverage. A well-planned delivery removes hidden costs alongside the 30 kW motor price.

Frequently Asked Questions

What does the 30 kW electric motor price depend on?

The main factors are pole count (speed), efficiency class (IE3/IE4), frame and mounting type (B3/B5/B35) and any requested accessories. Sharing your needs through the fast-quote call lets us offer the best price-performance balance for you.

Does the 30 kW motor ship from stock or wait for production?

We keep the most-requested 30 kW pole and frame combinations in stock, bringing delivery down to days through in-stock sale. If a non-standard configuration is required, we add it to our production plan and share a clear lead time.

Will a 30 kW HEM Motor seat exactly in place of my existing motor?

Thanks to the 200 frame standard, choosing the same frame and mounting type means it seats exactly with no extra drilling or adapter plate. Sharing your existing nameplate data lets us make the equivalent selection without error.

Should I buy IE3 or IE4?

Your running hours decide. On intermittent lines IE3 is a fast, economical solution; in continuous processes running long hours, IE4's energy saving recovers the price difference quickly.

Can I source the starting equipment from you as well?

We evaluate a star-delta, soft starter or VFD suited to your motor's inrush current together at the order stage. That way the motor and the starter match and you avoid starting problems in the field.

Fast Quote and In-Stock Sale

If you have settled your 30 kW electric motor needs, it is time for a fast quote. When you share the pole, efficiency class and mounting type, we offer you the best price-performance balance with the in-stock sale advantage. To see the full range and current HEM Motor electric motor prices, visit our homepage and finalize your order in a single step. The right 30 kW motor, with the right supplier, is just one call away.