Page 731 - Motor protection and control Manual motor starters, contactors and overload relays

ABB CONTACTORS AND MOTOR PROTECTION 6/23

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TF140DU thermal overload relays – 66 to 142 A

Technical data

Main circuit – Utilization characteristics according to UL/CSA
Type TF140DU / TF140DU-V1000
Standards UL 508, CSA 22.2 No. 14, UL 60947-4-1A
Maximum operational voltage 600 V AC
Trip rating 125% of FLA
Full load amps (FLA) See table "Full load amps and short-circuit protective device"
Short-circuit rating RMS symmetrical See table "Full load amps and short-circuit protective device"
Short-circuit protective device See table "Full load amps and short-circuit protective device"
Auxiliary circuit according to UL/CSA
Type TF140DU / TF140DU-V1000
Contact rating N.C., 95-96 B600
N.O., 97-98 C300
Conventional thermal current N.C./N.O. 10 A / 6 A
Full load amps and short-circuit protective device
Type Full load amps (FLA) Short-circuit protective device
480 / 600 V AC 480 / 600 V AC 480 / 600 V AC 06
Short circuit rating Fuse type Short circuit rating Fuse type Short circuit rating Listed circuit
RMS symmetrical RMS symmetrical RMS symmetrical breaker
TF140DU-90 / TF140DU- 90 A 10 kA 250 A, K5 / RK5 100 kA 250 A, Class J 100 kA 250 A
90-V1000
TF140DU-110 / TF140DU- 110 A 10 kA 250 A, K5 / RK5 100 kA 250 A, Class J 100 kA 250 A
110-V1000
TF140DU-135 / TF140DU- 135 A 10 kA 250 A, K5 / RK5 100 kA 250 A, Class J 100 kA 250 A
135-V1000
TF140DU-142 / TF140DU- 142 A 10 kA 250 A, K5 / RK5 100 kA 250 A, Class J 100 kA 250 A
142-V1000

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