Send an enclosure air conditioner model number from any of the brands below and we return the Pfannenberg equivalent, the adapter plate if one exists for the retrofit, and a price inside 48 hours. Every cross on these pages is compared at the 95°F ambient / 95°F enclosure rating point off the performance curve, not the nameplate.
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Cross reference by manufacturer
| Manufacturer and series | Cross reference |
|---|---|
| Hoffman (nVent): SpectraCool G, SpectraCool Narrow, Slim Fit, T-series, ProAir CR, discontinued M-series | Hoffman cross reference |
| Hoffman SpectraCool Narrow (N16 through N43) | SpectraCool Narrow cross |
| Hoffman SpectraCool G28 / G52 / G57 | SpectraCool G-series cross |
| Saginaw Control & Engineering: Enviro-Therm SCE-AC and NextGen SCE-NG | Saginaw SCE cross reference |
| Rittal: Blue e+, Top Therm Blue e, internal and recessed mount | Rittal cross reference |
| IceQube: V, VS, EV, ECO, MM and T series | IceQube cross reference |
| Kooltronic: Guardian DP and SP, legacy RP, P and Series units | Kooltronic cross reference |
| Seifert: Progressive, SlimLine and ComPact | Seifert cross reference |
| Thermal Edge: NE, CS, HC and TM series | Thermal Edge cross reference |
The Pfannenberg DTS side mount range
| Pfannenberg model | Published BTU/hr | BTU/hr at 95/95 curve | Voltages | NEMA type |
|---|---|---|---|---|
| DTS 3021/3031 | 1,200 | 1,194/1,198 | 115/230 | 12, 3R, 4, 4X |
| DTS 3041 | 3,000 | 2,610 | 115/230/460 | 12, 3R, 4, 4X |
| DTS 3061/3081 | 3,000 | 2,382 | 115/230/460 | 12, 3R, 4, 4X |
| DTS 31X1 | 4,000 | 4,100/4,500 | 115/230/460 | 12, 3R, 4, 4X |
| DTS 31X1 SL | 5,000 | 5,097/5,648/5,301 | 115/230/460 | 12, 3R, 4, 4X |
| DTS 31X5 | 7,000 | 6,142/6,995/6,995 | 115/230/460 | 12, 3R, 4, 4X |
| DTS 32X1 | 8,500 | 6,825 | 115/230/460 | 12, 3R, 4, 4X |
| DTS 32X5 | 13,000 | 11,600/11,000/12,000 | 115/230/460 | 12, 3R, 4, 4X |
| DTS 34X1C | 21,000 | 20,840/20,434 | 230/460 | 12, 3R, 4, 4X |
| DTS 36X1C | 29,000 | 25,181/25,526 | 230/460 | 12, 3R, 4, 4X |
Pfannenberg DTS part numbers carry a voltage code, so a family name such as DTS 31X1 covers the 115, 230 and 460V builds. Where a 95/95 figure is shown as two or three numbers, they are the 115 / 230 / 460V values in that order. Send the voltage and we return the full orderable part number.
The Pfannenberg DTT top mount range
| Pfannenberg model | Published BTU/hr | BTU/hr at 95/95 curve | Voltages |
|---|---|---|---|
| DTT 6101 | 1,785 | 2,269 | 115/230 |
| DTT 6201 | 3,570 | 3,685 | 115/230/460 |
| DTT 6301 | 5,355 | 5,528 | 115/230/460 |
| DTT 6401 | 7,161 | 7,166 | 115/230/460 |
| DTT 6601 | 11,000 | 10,918 | 460 |
| DTT 6801 | 14,000 | 14,501 | 460 |
The Pfannenberg DTI recessed range
| Pfannenberg model | Published BTU/hr | BTU/hr at 95/95 curve | Voltages |
|---|---|---|---|
| DTI 6201 C | 3,410 | 3,410 | 230/460 |
| DTI 6201 | 3,922 | 3,922 | 230/460 |
| DTI 6301C | 5,115 | 5,115 | 230/460 |
| DTI 6301 | 5,286 | 5,286 | 230/460 |
| DTI 6401 | 6,820 | 6,820 | 230/460 |
| DTI 6501 | 8,525 | 8,525 | 460 |
| DTI 6801 | 13,640 | 13,640 | 460 |
Every DTS size carries NEMA Type 12, 3R, 4 and 4X. The DTT and DTI series are NEMA Type 12.
Compare capacity at 95°F/95°F, not the nameplate
Enclosure air conditioner ratings are not published at a single standard condition, so nameplate BTU/hr numbers across brands are not directly comparable. The honest comparison is capacity at 95°F ambient and 95°F enclosure temperature, read off the manufacturer's performance curve. A unit sold as 3,900 BTU/hr can deliver 3,400 BTU/hr at the 95/95 point. Every table on this page shows both numbers where the curve is published.
Four things have to line up before a substitution is valid:
- Capacity at the rating point. Match 95/95 performance, not marketing BTU.
- Voltage. 115, 230 or 460V must match the nameplate.
- Enclosure rating. NEMA Type 12, 3R, 4 or 4X on the air conditioner must match the enclosure environment.
- Mounting cutout. A capacity cross is not a cutout cross. Pfannenberg adapter plates cover specific retrofits; otherwise send the cutout dimensions with the model number and we confirm the mounting approach on the quote.
Also check where the cold air supply sits relative to the hot air return. Several competitor designs place them within 2 to 6 inches of each other, which lets cold discharge short-cycle straight back into the return and cuts effective cooling. Pfannenberg DTS units separate supply and return across the full height of the unit.
Wiring the same panel? See the VFD cable cross reference.
Common questions
What is an enclosure air conditioner?
An enclosure air conditioner is a closed-loop cooling unit that mounts on an electrical enclosure and removes heat from drives, PLCs and power supplies without letting ambient air, dust or washdown water into the panel. The enclosure stays sealed at its NEMA rating while the air conditioner rejects heat to the room.
Why compare enclosure air conditioners at 95F/95F instead of nameplate BTU?
Manufacturers publish BTU/hr ratings at different conditions, so nameplate numbers are not directly comparable across brands. Capacity at 95F ambient and 95F enclosure temperature, read from the performance curve, is the common point. A unit sold as 3,900 BTU/hr can deliver 3,400 BTU/hr at 95/95, and some competitor curves are plotted against return air temperature rather than enclosure temperature, which is a different measurement again.
What does NEMA Type 12, 4 or 4X mean on an enclosure air conditioner?
The NEMA type on the air conditioner must match the enclosure it protects. Type 12 covers indoor dust and dripping liquids. Type 3R and 4 cover outdoor and hose-directed water. Type 4X adds corrosion resistance, typically a stainless steel cover, for washdown and corrosive environments. Every Pfannenberg DTS size carries Type 12, 3R, 4 and 4X.
What has to match when replacing one brand of enclosure air conditioner with another?
Four things: capacity at the 95F/95F rating point, supply voltage, the NEMA type rating, and the mounting cutout. Capacity, voltage and NEMA type come off the nameplate. The cutout either matches, is covered by an adapter plate, or requires panel modification.
Get a cross-referenced quote
Send the model number off the nameplate and the voltage. We come back with the Pfannenberg cross, the adapter plate if one exists for the retrofit, and a price inside 48 hours.
Email: christian.lauderback@appliedcontrolinc.com
Phone: 248-425-9065
HOFFMAN, SpectraCool and ProAir are trademarks of nVent or its affiliates. SCE and Enviro-Therm are trademarks of Saginaw Control & Engineering. RITTAL, Blue e and Blue e+ are trademarks of Rittal GmbH & Co. KG. IceQube, Kooltronic, Seifert and Thermal Edge are trademarks of their respective owners. Pfannenberg is a registered trademark of Pfannenberg GmbH. Applied Control Inc. is an authorized Pfannenberg manufacturers' representative and is not affiliated with, endorsed by, or sponsored by any competitor manufacturer named on this page. Competitor part numbers appear here solely to identify products for comparison. Capacities are compared at the 95°F ambient / 95°F enclosure rating point using publicly available performance data and are subject to change. Verify current specifications against the manufacturer’s own datasheet before purchase or installation.