Acme TA-2, TA-69, TA-83 and ET Epoxetran control transformers cross to Micron by VA and voltage group. Acme TA-2-81211 (100 VA, 240x480 V to 120 V) crosses to Micron B100BTZ13JK. Find the Acme number below and read across.
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Acme TA-2 Group B · Acme TA-2 Group A · Acme TA-2 Group C · Acme TA-69 Group H · Acme TA-83 Group J · Acme ET Epoxetran
Acme TA-2 Group B: 240x480, 230x460, 220x440 V primary, 120/115/110 V secondary
Crosses to Micron Group A (BTZ13JK). Through 750 VA Micron is ImperviTRAN or ValuTRAN, 105°C. Above 750 VA it is EconoTRAN, 180°C.
| VA | Acme | Micron |
|---|---|---|
| 50 VA | TA-2-81210 | B050BTZ13JK |
| 75 VA | TA-2-81201 | B075BTZ13JK |
| 100 VA | TA-2-81211 | B100BTZ13JK |
| 150 VA | TA-2-81212 | B150BTZ13JK |
| 250 VA | TA-2-81213 | B250BTZ13JK |
| 300 VA | TA-2-81200 | B300BTZ13JK |
| 350 VA | TA-2-81214 | B350BTZ13JK |
| 500 VA | TA-2-81215 | B500BTZ13JK |
| 750 VA | TA-2-81216 | B750BTZ13JK |
| 1 kVA | TA-2-81217 | EF1K0BTZ13 |
| 1.5 kVA | TA-2-81218 | EF1K5BTZ13 |
| 2 kVA | TA-2-81219 | EF2K0BTZ13 |
| 3 kVA | TA-2-81220 | EF3K0BTZ13 |
| 5 kVA | TA-2-81221 | EF5K0BTZ13 |
Acme TA-2 Group A: 120x240 V primary, 24 V secondary
Crosses to Micron Group C (LP7JK). Through 750 VA Micron is ImperviTRAN or ValuTRAN, 105°C. Above 750 VA it is EconoTRAN, 180°C.
| VA | Acme | Micron |
|---|---|---|
| 50 VA | TA-2-81141 | B050LP7JK |
| 75 VA | TA-2-81142 | B075LP7JK |
| 100 VA | TA-2-81143 | B100LP7JK |
| 150 VA | TA-2-81144 | B150LP7JK |
| 250 VA | TA-2-81146 | B250LP7JK |
| 350 VA | TA-2-81148 | B350LP7JK |
| 500 VA | TA-2-81149 | B500LP7JK |
Acme TA-2 Group C: 230/460/575 V primary, 115/95 V secondary
Crosses to Micron Group H (BTW37XX), 230/460/575 V primary, 95/115 V secondary. Through 750 VA Micron is ImperviTRAN or ValuTRAN, 105°C. Above 750 VA it is EconoTRAN, 180°C.
| VA | Acme | Micron |
|---|---|---|
| 50 VA | TA-2-81000 | B050BTW37XX |
| 75 VA | TA-2-81009 | B075BTW37XX |
| 100 VA | TA-2-81001 | B100BTW37XX |
| 150 VA | TA-2-81002 | B150BTW37XX |
| 250 VA | TA-2-81003 | B250BTW37XX |
| 300 VA | TA-2-81020 | B300BTW37XX |
| 350 VA | TA-2-81004 | B350BTW37XX |
| 500 VA | TA-2-81005 | B500BTW37XX |
| 750 VA | TA-2-81006 | B750BTW37XX |
| 1 kVA | TA-2-81007 | EF1K0BTWZ37 |
| 1.5 kVA | TA-2-81008 | EF1K5BTWZ37 |
| 2 kVA | TA-2-53929 | EF2K0BTWZ37 |
| 3 kVA | TA-2-53930 | EF3K0BTWZ37 |
| 5 kVA | TA-2-53931 | EF5K0BTWZ37 |
Acme TA-69 Group H: 208/230/460 V primary, 115 V secondary
Crosses to Micron Group L (MBT13XK). Through 750 VA Micron is ImperviTRAN or ValuTRAN, 105°C. Above 750 VA it is EconoTRAN, 180°C.
| VA | Acme | Micron |
|---|---|---|
| 50 VA | TA-69300 | B050MBT13XK |
| 100 VA | TA-69301 | B100MBT13XK |
| 150 VA | TA-69302 | B150MBT13XK |
| 250 VA | TA-69393 | B250MBT13XK |
| 350 VA | TA-69304 | B350MBT13XK |
| 500 VA | TA-69305 | B500MBT13XK |
| 750 VA | TA-69306 | B750MBT13XK |
| 1 kVA | TA-69307 | EF1K0MBT13 |
Acme TA-83 Group J: 240x480 V primary, 120/240 V secondary
Crosses to Micron Group K (PU1519JJ), 240x480 V primary, 120x240 V secondary. Through 750 VA Micron is ImperviTRAN or ValuTRAN, 105°C. Above 750 VA it is EconoTRAN, 180°C.
| VA | Acme | Micron |
|---|---|---|
| 50 VA | TA-83210 | B050PU1519JJ |
| 100 VA | TA-83212 | B100PU1519JJ |
| 150 VA | TA-83213 | B150PU1519JJ |
| 250 VA | TA-83215 | B250PU1519JJ |
| 500 VA | TA-83218 | B500PU1519JJ |
| 750 VA | TA-83219 | B750PU1519JJ |
| 1 kVA | TA-83220 | EF1K0BTZ1318 |
| 1.5 kVA | TA-83221 | EF1K5BTZ1318 |
| 2 kVA | TA-83222 | EF2K0BTZ1318 |
| 3 kVA | TA-83223 | EF3K0BTZ1318 |
| 5 kVA | TA-83224 | EF5K0BTZ1318 |
Acme ET Epoxetran: Groups L, M, N and O
Acme ET units are epoxy encapsulated, 105°C, like Micron ImperviTRAN.
Group L: 230x460 V to 115 V, Micron BTZ13JK
| VA | Acme | Micron |
|---|---|---|
| 50 VA | ET-83320 | B050BTZ13JK |
| 75 VA | ET-83321 | B075BTZ13JK |
| 100 VA | ET-83322 | B100BTZ13JK |
| 150 VA | ET-83323 | B150BTZ13JK |
| 250 VA | ET-83324 | B250BTZ13JK |
| 300 VA | ET-83325 | B300BTZ13JK |
| 350 VA | ET-83326 | B350BTZ13JK |
| 500 VA | ET-83327 | B500BTZ13JK |
Group M: 240x480 V to 24 V, Micron PU7JK
| VA | Acme | Micron |
|---|---|---|
| 50 VA | ET-83330 | B050PU7JK |
| 75 VA | ET-83331 | B075PU7JK |
| 100 VA | ET-83332 | B100PU7JK |
| 150 VA | ET-83333 | B150PU7JK |
| 250 VA | ET-83334 | B250PU7JK |
| 300 VA | ET-83335 | B300PU7JK |
| 350 VA | ET-83336 | B350PU7JK |
| 500 VA | ET-83337 | B500PU7JK |
Group N: 120x240 V to 24 V, Micron LP7JK
| VA | Acme | Micron |
|---|---|---|
| 50 VA | ET-83340 | B050LP7JK |
| 75 VA | ET-83341 | B075LP7JK |
| 100 VA | ET-83342 | B100LP7JK |
| 150 VA | ET-83343 | B150LP7JK |
| 250 VA | ET-83344 | B250LP7JK |
| 300 VA | ET-83345 | B300LP7JK |
| 350 VA | ET-83346 | B350LP7JK |
| 500 VA | ET-83347 | B500LP7JK |
Group O: 550/575/600 V to 110/115/120 V, Micron WZ13XK
| VA | Acme | Micron |
|---|---|---|
| 50 VA | ET-83350 | B050WZ13XK |
| 75 VA | ET-83351 | B075WZ13XK |
| 100 VA | ET-83352 | B100WZ13XK |
| 150 VA | ET-83353 | B150WZ13XK |
| 250 VA | ET-83354 | B250WZ13XK |
| 300 VA | ET-83355 | B300WZ13XK |
| 350 VA | ET-83356 | B350WZ13XK |
| 500 VA | ET-83357 | B500WZ13XK |
Acme TA-2 Group A at 750 and 1000 VA, TA-2 Groups D, E and F, and TA-2 Group K (600 V primary) need a factory check. Send the number and we come back with the Micron option.
Source: Micron Industries control transformer cross reference for Acme, March 2018. Three typos on that sheet are corrected to the VA on the same row: TA-2-81148 (350 VA) to B350LP7JK, TA-83221 (1.5 kVA) to EF1K5BTZ1318, and the Acme Group J primary to 240x480 V. Linked Micron numbers open the part we list at the same VA and group; our listing can carry an added suffix letter (for example B150BTZ13JKF), and we confirm the exact suffix on every quote. Acme says Groups A to I are 130°C construction with an optional secondary fuse clip.
Common questions
What Micron transformer replaces Acme TA-2-81211?
Micron B100BTZ13JK, 100 VA, Group A. Primary 220x440, 230x460 or 240x480 V. Secondary 110, 115 or 120 V.
What replaces Acme TA-2-81213?
Micron B250BTZ13JK, 250 VA, Group A, same 240x480 V primary family and 120/115/110 V secondary.
What replaces Acme ET-83322?
Micron B100BTZ13JK. Both are epoxy encapsulated 100 VA units, 230x460 V primary, 115 V secondary.
Can you cross Acme fused or finger-safe transformers?
Yes. Send the Acme number with any fuse kit or FS suffix and we match it to the Micron fused or GlobalTRAN unit.
Get it crossed and quoted
Send the Acme number and the quantity. We send back the Micron part and lead time.
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Related: Square D 9070T cross · Micron control transformers by kVA · Control transformer VA sizing · Buck-boost cross · All cross references
Acme Electric is a trademark of its owner. Applied Control Inc. is not affiliated with Acme. Names appear only to identify the part being replaced. Check the current Micron datasheet before you specify.