ABB TA75DU-80M Thermal Overload Relay – 60…80A, 3‑Pole, Class 10A, for AX50‑AX80 Contactors Supplier | SIMPLYBUY
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ABB TA75DU-80M Thermal Overload Relay – 60…80A, 3‑Pole, Class 10A, for AX50‑AX80 Contactors
ABB TA75DU-80M Thermal Overload Relay – 60…80A, 3‑Pole, Class 10A, for AX50‑AX80 Contactors - Image 2
ABB TA75DU-80M Thermal Overload Relay – 60…80A, 3‑Pole, Class 10A, for AX50‑AX80 Contactors - Image 3

ABB TA75DU-80M Thermal Overload Relay – 60…80A, 3‑Pole, Class 10A, for AX50‑AX80 Contactors

ParameterValue
Product TypeThermal Overload Relay
Series / BrandTA75DU / ABB
Model NumberTA75DU-80M
Order Number1SAZ321201R2006[reference:29]
Adjustable Current Range60…80 A[reference:30][reference:31]
Tripping ClassClass 10A[reference:32][reference:33]
Number of Poles3‑pole[reference:34]
Rated Operational Current (Ie)80 A[reference:35]
Rated Operational Voltage (Ue)690 V AC / 440 V DC[reference:36]
Maximum Operating Voltage (UL/CSA)600 V AC[reference:37]
Auxiliary Contacts1 NO + 1 NC[reference:38]
Auxiliary Circuit Thermal Current (Ith)5 A (NO/NC)[reference:39]
Reset TypeAutomatic or manual (selectable)[reference:40]
Dimensions (W × H × D)54 mm × 90 mm × 111 mm[reference:41]
Net Weight0.37 kg[reference:42]
Power Loss per Pole2.5…4.4 W[reference:43]
Degree of Protection (IP)IP20[reference:44]
Ambient Operating Temperature-25…+55 °C (compensated)[reference:45]
Ambient Storage Temperature-40…+70 °C[reference:46]
Shock Resistance25g, 2 shocks, 13 ms[reference:47]
Suitable ContactorsAX50, AX65, AX80[reference:48]
Standards & CertificationsIEC/EN 60947‑1/‑4‑1/‑5‑1, UL 508, CSA 22.2 No. 14[reference:49]
Environmental ComplianceRoHS compliant[reference:50]
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Product Description

The MS116-16 manual motor starter (also known as motor protection circuit breaker or manual motor protector) is a compact 45 mm width device with a rated operational current of Ie = 16.0 A. This device is used to manually switch on and off motors and to protect them reliably and without the need for a fuse from short-circuits, overload and phase failures.

Standard Features

Manual Motor Starter MS116 The manual motor starter offers a rated service short-circuit breaking capacity Ics = 16 kA at 400 VAC and trip class 10A.

  • Overload protection – trip class 10A
  • Phase loss sensitivity
  • Disconnect function
  • Temperature compensation from -25 … +55 °C
  • Adjustable current setting for overload protection
  • Suitable for three- and single-phase applications
  • Trip-free mechanism
  • Clear switch position indication ON/OFF

Technical Specifications

Setting rangeTypeOrder code
0.10-0.16MS116-0.161SAM250000R1001
0.16-0.25 MS116-0.251SAM250000R1002
0.25-0.40 MS116-0.41SAM250000R1003
0.40-0.63  MS116-0.631SAM250000R1004
0.63-1.00 MS116-1.01SAM250000R1005
1.00-1.60 MS116-1.61SAM250000R1006
1.60-2.50 MS116-2.51SAM250000R1007
2.50-4.00  MS116-4.01SAM250000R1008
4.00-6.30 MS116-6.31SAM250000R1009
6.30-10.0 MS116-101SAM250000R10010
8.00-12.0 MS116-121SAM250000R10011
10.0-16.0 MS116-161SAM250000R10012
16.0-20.0 MS116-201SAM250000R10013
20.0-25.0 MS116-251SAM250000R10014
25.0-32.0 MS116-321SAM250000R10015

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ABB TA75DU-80M Thermal Overload Relay – 60…80A, 3‑Pole, Class 10A, for AX50‑AX80 Contactors

Manufacturer: ABB
Model: TA75DU-80M
Order Number: 1SAZ321201R2006[reference:0][reference:1]
Type: Thermal Overload Relay
Series: TA75DU
Adjustable Current Range: 60…80 A[reference:2][reference:3]
Tripping Class: Class 10A[reference:4][reference:5]
Number of Poles: 3‑pole[reference:6]
Rated Operational Voltage: 690 V AC / 440 V DC[reference:7]
Application: Motor overload and phase failure protection in industrial and commercial applications

The ABB TA75DU-80M is a thermal overload relay from the TA series, designed for reliable and economic protection of motors against overloads and phase failures[reference:8]. With an adjustable current range of 60…80 A and a Class 10A tripping characteristic, it is ideal for a wide variety of motor applications[reference:9]. The relay features temperature compensation for enhanced performance across varying ambient conditions[reference:10], selectable automatic or manual reset[reference:11], and a trip-free mechanism with STOP and TEST functions[reference:12]. It is designed for direct mounting onto ABB AX50, AX65, and AX80 contactors[reference:13], and is multi‑standards certified (IEC/EN, UL, CSA), making it suitable for demanding industrial environments worldwide[reference:14].

  • Adjustable Overload Protection: Current setting range of 60…80 A with Class 10A tripping characteristic, providing reliable and precise overload detection for a wide range of motors[reference:15][reference:16].

  • Phase Failure Protection: Built‑in differential mechanism detects phase loss and load imbalances, preventing motor damage[reference:17][reference:18].

  • Temperature Compensation: Compensates for ambient temperature variations from -25°C to +55°C, ensuring stable and accurate protection regardless of environmental conditions[reference:19][reference:20].

  • Flexible Reset Options: Selectable automatic or manual reset provides operational flexibility for different application requirements[reference:21][reference:22].

  • Integrated Auxiliary Contacts: Built‑in 1 NO + 1 NC auxiliary contacts for remote fault signalling and control circuit integration[reference:23][reference:24].

  • Easy Installation & Mounting: Direct plug‑in mounting onto AX50, AX65, and AX80 contactors[reference:25]; optional separate mounting kit available for standalone installation[reference:26].

  • Global Compliance: Certified to IEC/EN 60947‑4‑1, UL 508, and CSA 22.2[reference:27]; RoHS compliant[reference:28]; suitable for worldwide use.

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