Cross Reference
Siebe/Barber
Coleman
Power
Torque
Aux
Switches
Belimo
Notes
MA220
120 VAC
30
FSLF120 US
1, 2, 4
MA221
240 VAC
30
FSLF230 US
1, 2, 4
MA223
24 VAC
30
FSLF24 US
1, 2, 4
MA230
120 VAC
50
FSNF120 US
1, 2, 3
MA231
240 VAC
50
FSNF230 US
1, 2, 3
MA233
24 VAC
50
FSNF24 US
1, 2, 3
MA240
120 VAC
50
5,6
MA250
120 VAC
50
FSNF120 US
1, 2, 3, 4
MA251
230 VAC
50
FSNF230 US
1, 2, 3, 4
MA253
24 VAC
50
FSNF24 US
1, 2, 3, 4
MA-318
24 VAC
60
FSNF24 US
1, 3
MA-318-500
24 VAC
60
1
FSNF24 -S
US
1, 3
MA-418
120 VAC
60
FSNF120 US
1, 3
MA-418-500
120 VAC
60
1
FSNF120-S
US
1, 3
1
Direct couple the Belimo where shaft is available.
Some were direct coupled.
2
FSTF <1.5 sq.ft. FSLF <4
sq.ft.
3
FSNF <12 sq.ft. FSAF*A <18 sq.ft.
4
For Pottorff with shaft spring see:
https://www.belimo.us/mam/americas/technical_documents/pdf-
web/fire_and_smoke_doc/pottorff-ma2xx_to_belimo.pdf
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Motor was not 90 degree and pulley and cable were usually
used. Some geometric changes are necessary to simplify.
6
Provide photos. Motor, linkage, blades, fusible link, McCabe ©
Link, Typically direct couple to damper shaft if available.
Otherwise, investigation necessary.
Other Honeywell replacements are available.
M8xxx
24 VAC
Modulating
60
FSAFB24-SR
M8xxx w/ Switch
24 VAC
Modulating
60
FSAFB24-SR-S
See
https://www.belimo.us/mam/americas/technical_documents/pdf-
web/fire_and_smoke_doc/fire_smoke_competitive_replacement_data_reference.pdf
Gear Train Motors and Linkages - Replacements with Belimo March 2018
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