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CLASS 2
TRANSFORMERS
90-T40S1 THRU 90-T75C3 24 VOLT SECONDARY
CLASS 2 TRANSFORMERS ENERGY LIMITING
For Industrial, Heating and Air Conditioning Controls Applications
SPECIFICATIONS
Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . U.L. file number E33334
FEATURES
• Color coded primary leads.
• Multi-mount styles available.
90-T40F1
90-T75C3
MULTI-MOUNT (CLOSED CONSTRUCTION) UNIVERSAL MOUNTING WITH PLATE
Model
Number
Mars
Part No.
Jard
Part No. VA Hz Primary Connections Sec. Connections
90-T40M1 50302 4011M 40 50/60 120V Leads 24V Leads
90-T40M2 50303 4021M 40 50 / 60 208 / 240V Leads 24V Leads
90-T40M3 50304 4031M 40 60 120 / 208 / 240V Leads 24V Leads
90-T50M3 50314 5031M 50 60 120 / 208 / 240V Leads 24V Leads
FOOT-MOUNT (OPEN CONSTRUCTION)
Model
Number
Mars
Part No.
Jard
Part No. VA Hz Primary Connections Sec. Connections
90-T40F1 50352 4011F 40 50/60 120V Leads 24V Leads
90-T40F2 50353 4021F 40 50 / 60 208 / 240V Leads 24V Leads
90-T40F3 50354 4031F 40 60 120 / 208 / 240V Leads 24V Leads
90-T50F3 50308* 5031F 50 60 120 / 208 / 240V Leads 24V Leads
* 50308 is 50/60 Hz
FOOT-MOUNT (MANUAL RESET, OPEN CONSTRUCTION)
Model
Number
Mars
Part No.
Jard
Part No. VA Hz Primary Connections Sec. Connections
90-T50C3 50327 5041C 50 50 / 60 120 / 208 / 240V Leads 24V Leads
90-T60C3 50327 6041C 60 50 / 60 120 / 208 / 240V Leads 24V Leads
90-T75C3 50321 7541C 75 50 / 60 120 / 208 / 240V Leads 24V Leads
90-T100C4 50540 10041C 100 50/60 120 / 208 / 240
/ 480
Leads 24V Leads
TRANSFORMER LEAD COLOR CODING
Primary Side Secondary Side
Common 120V 208V 240V Common 24V
* Black White Red Orange Blue Yellow
* Black is common with respect to the transformer winding, not the external circuit.
94
TRANSFORMERS /
RELAYS