OMRON K8AK-TS / PTPower Supplies / In Addition/ Measuring / Motor Protective Relays/Component Protective Components

OMRON K8AK-TS / PT Power Supplies / In Addition

K8AK-TS / PT Thermistor Motor Protection Relay/Dimensions
K8AK-TS / PT Thermistor Motor Protection Relay/Catalog
K8AK-TS / PT Thermistor Motor Protection Relay/Specifications
K8AK-TS / PT Thermistor Motor Protection Relay/Lineup
Purchase the OMRON K8AK-TS / PT Component Protective Components

OMRON K8AK-TS / PT Dimensions

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last update: April 1, 2014

• Temperature, phase sequence, and phase loss monitoring with the DIN 22.5-mm-sized K8AK-PT Relays.

• Side-by-side mounting of K8AK-PT Relays.

• Specially designed for internal motor monitoring; no setting required.

• Test/Reset Button for confirmation of output operation.

• Monitoring also performed for thermistor disconnections and short circuits.

• Manual or automatic resetting with the same Relay.

last update: April 1, 2014

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OMRON K8AK-TS / PT dimension
K8AK-TS / PT Thermistor Motor Protection Relay/Dimensions
last update: April 01, 2014
Thermistor Motor Protection Relays

K8AK-TS1
K8AK-PT1

last update: April 01, 2014

OMRON K8AK-TS / PT catalog
K8AK-TS / PT Thermistor Motor Protection Relay/Catalog

Catalog

Manual

CAD

English
Global Edition

For ordering in Singapore, please note some product models not sold in Singapore may be included in the following catalog(s) for our global customers.
*It is recommended to select “Save” from the right-click due to large size of catalog PDF data.

Catalog Name Catalog Number
[size] Last Update

K8AK-TS/PT Data Sheet N189-E1-01
[1188KB] Apr 03, 201720170403 K8AK-TS/PT Data Sheet

Measuring and Monitoring Relays Application Guide N222-E1-01
[1649KB] Jun 01, 201820180601 Measuring and Monitoring Relays Application Guide

OMRON K8AK-TS / PT specification
K8AK-TS / PT Thermistor Motor Protection Relay/Specifications
last update: April 3, 2017
Ratings

Power supply
voltage Isolated power supply 24 VAC/DC
100 to 240 VAC
Power consumption 24 VAC/DC: 1.8 VA/1.0 W max.
100 to 240 VAC: 3.5 VA max.
Rated input voltage 3-phase, 200 to 480 VAC (3-wire)
Operating
time Phase sequence on three-
phase voltage input 0.1 s±0.05 s
Phase loss on three-phase
voltage input 0.1 s max. (when the voltage changes rapidly from 100% to 0% of rated
voltage)
PTC thermistor input 0.2 s max.
Reset method Manual reset/automatic reset (switchable)
Note: Manual reset method: Press the TEST/RESET button.
Indicators Power (PWR): Green, PH_Alarm outputs (ALM): Red, TS_Alarm outputs
(ALM): Red
Output relays One SPDT relay output (normally closed operation)
Output relay ratings Rated load
Resistive load
5 A at 250 VAC
5 A at 30 VDC
Maximum switching capacity: 1,250 VA, 150 W
Minimum load: 5 VDC, 10 mA (reference values)
Mechanical life: 10 million operations min.
Electrical life:
5 A at 250 VAC or 30 VDC: 50,000 operations
3 A at 250 VAC or 30 VDC: 100,000 operations
Ambient operating temperature -20 to 60°C (with no condensation or icing)
Storage temperature -25 to 65°C (with no condensation or icing)
Ambient operating humidity 25% to 85% (with no condensation)
Storage humidity 25% to 85% (with no condensation)
Altitude 2,000 m max.
Terminal screw tightening torque 0.49 to 0.59 Nm
Terminal wiring method Recommended wire
Solid wire: 2.5 mm²
Twisted wires: AWG16, AWG18
Note:
1. Ferrules with insulating sleeves must be used with twisted wires.
2. Two wires can be twisted together.
Recommended ferrules
Al 1,5-8BK (for AWG16) manufactured by Phoenix Contact
Al 1-8RD (for AWG18) manufactured by Phoenix Contact
Al 0,75-8GY (for AWG18) manufactured by Phoenix Contact
Case color N1.5
Case material PC and ABS, UL 94 V-0
Weight Approx. 150 g
Mounting Mounts to DIN Track.
Dimensions 22.5 × 90 × 100 mm (W × H × D)

Specifications

Allowable operating voltage range 85% to 110% of rated power supply voltage
Allowable operating frequency range 50/60 Hz ±5 Hz
Input frequency 50/60 Hz
Input overload capacity Continuous 528 V
Phase loss detection level 80%±10% of rated input
If any phase-to-phase voltage drops to 80%±10% of the other phase-to-
phase voltages, voltage asymmetry is detected and the phase loss function is
performed.
PTC
thermistor Operating value precision 3,100 Ω ±5%
Reset value precision 1,650 Ω ±5%
Short circuit detection
value precision 0 to 10 Ω ±5 Ω
Temperature drift ±0.1%/°C max.
Operating time repeatability ±50 ms
Applicable
standards Conforming standards EN 60947-5-1
Installation environment (pollution level 2, installation category III)
EMC EN 60947-5-1
Safety standards UL 508 (Recognition), Korean Radio Waves Act (Act 10564),
CSA: C22.2 No.14, CCC: GB14048.5
Insulation resistance 20 MΩ min.
Between external terminals and case
Between power supply terminals and input terminals
Between power supply terminals and output terminals
Between input terminals and output terminals
Dielectric strength 2,000 VAC for one minute
Between external terminals and case
Between power supply terminals and input terminals
Between power supply terminals and output terminals
Between input terminals and output terminals
Noise immunity 1,500 V power supply terminal common/normal mode
Square-wave noise of ±1 μs/100 ns pulse width with 1-ns rise time
Vibration resistance Frequency: 10 to 55 Hz, 0.35-mm single amplitude
10 sweeps of 5 min each in X,Y, and Z directions
Shock resistance 100 m/s², 3 times each in 6 directions along 3 axes
Degree of protection Terminals: IP20

last update: April 3, 2017

OMRON K8AK-TS / PT lineup
K8AK-TS / PT Thermistor Motor Protection Relay/Lineup
last update: April 01, 2014

Function Power supply voltage Model
Phase sequence, phase loss, and temperature monitoring 100 to 240 VAC K8AK-PT1 100-240 VAC
Temperature monitoring K8AK-TS1 100-240 VAC
24 VAC/DC K8AK-TS1 24 VAC/DC

last update: April 01, 2014

NO. K8AK-TS / PT

TYPE:Measuring / Motor Protective Relays Component Protective Components Measuring & Monitoring relays

DATE:2021-06-07

Associated products:
K8DS-PZ Three-phase Voltage, Asymmetry, and Phase-sequence Phase-loss Relay/Features K8AK-TH Temperature Monitoring Relay/Features

For ordering in Singapore, please note some product models not sold in Singapore may be included in the following catalog(s) for our global customers.
*It is recommended to select “Save” from the right-click due to large size of catalog PDF data.
Catalog Name	Catalog Number [size]	Last Update
K8AK-TS/PT Data Sheet	N189-E1-01 [1188KB]	Apr 03, 201720170403	K8AK-TS/PT Data Sheet
Measuring and Monitoring Relays Application Guide	N222-E1-01 [1649KB]	Jun 01, 201820180601	Measuring and Monitoring Relays Application Guide

Power supply voltage	Isolated power supply	24 VAC/DC 100 to 240 VAC
Power consumption	24 VAC/DC: 1.8 VA/1.0 W max. 100 to 240 VAC: 3.5 VA max.
Rated input voltage	3-phase, 200 to 480 VAC (3-wire)
Operating time	Phase sequence on three- phase voltage input	0.1 s±0.05 s
Phase loss on three-phase voltage input	0.1 s max. (when the voltage changes rapidly from 100% to 0% of rated voltage)
PTC thermistor input	0.2 s max.
Reset method	Manual reset/automatic reset (switchable) Note: Manual reset method: Press the TEST/RESET button.
Indicators	Power (PWR): Green, PH_Alarm outputs (ALM): Red, TS_Alarm outputs (ALM): Red
Output relays	One SPDT relay output (normally closed operation)
Output relay ratings	Rated load Resistive load 5 A at 250 VAC 5 A at 30 VDC Maximum switching capacity: 1,250 VA, 150 W Minimum load: 5 VDC, 10 mA (reference values) Mechanical life: 10 million operations min. Electrical life: 5 A at 250 VAC or 30 VDC: 50,000 operations 3 A at 250 VAC or 30 VDC: 100,000 operations
Ambient operating temperature	-20 to 60°C (with no condensation or icing)
Storage temperature	-25 to 65°C (with no condensation or icing)
Ambient operating humidity	25% to 85% (with no condensation)
Storage humidity	25% to 85% (with no condensation)
Altitude	2,000 m max.
Terminal screw tightening torque	0.49 to 0.59 Nm
Terminal wiring method	Recommended wire Solid wire: 2.5 mm² Twisted wires: AWG16, AWG18 Note: 1. Ferrules with insulating sleeves must be used with twisted wires. 2. Two wires can be twisted together. Recommended ferrules Al 1,5-8BK (for AWG16) manufactured by Phoenix Contact Al 1-8RD (for AWG18) manufactured by Phoenix Contact Al 0,75-8GY (for AWG18) manufactured by Phoenix Contact
Case color	N1.5
Case material	PC and ABS, UL 94 V-0
Weight	Approx. 150 g
Mounting	Mounts to DIN Track.
Dimensions	22.5 × 90 × 100 mm (W × H × D)

Allowable operating voltage range	85% to 110% of rated power supply voltage
Allowable operating frequency range	50/60 Hz ±5 Hz
Input frequency	50/60 Hz
Input overload capacity	Continuous 528 V
Phase loss detection level	80%±10% of rated input If any phase-to-phase voltage drops to 80%±10% of the other phase-to- phase voltages, voltage asymmetry is detected and the phase loss function is performed.
PTC thermistor	Operating value precision	3,100 Ω ±5%
Reset value precision	1,650 Ω ±5%
Short circuit detection value precision	0 to 10 Ω ±5 Ω
Temperature drift	±0.1%/°C max.
Operating time repeatability	±50 ms
Applicable standards	Conforming standards	EN 60947-5-1 Installation environment (pollution level 2, installation category III)
EMC	EN 60947-5-1
Safety standards	UL 508 (Recognition), Korean Radio Waves Act (Act 10564), CSA: C22.2 No.14, CCC: GB14048.5
Insulation resistance	20 MΩ min. Between external terminals and case Between power supply terminals and input terminals Between power supply terminals and output terminals Between input terminals and output terminals
Dielectric strength	2,000 VAC for one minute Between external terminals and case Between power supply terminals and input terminals Between power supply terminals and output terminals Between input terminals and output terminals
Noise immunity	1,500 V power supply terminal common/normal mode Square-wave noise of ±1 μs/100 ns pulse width with 1-ns rise time
Vibration resistance	Frequency: 10 to 55 Hz, 0.35-mm single amplitude 10 sweeps of 5 min each in X,Y, and Z directions
Shock resistance	100 m/s², 3 times each in 6 directions along 3 axes
Degree of protection	Terminals: IP20

Function	Power supply voltage	Model
Phase sequence, phase loss, and temperature monitoring	100 to 240 VAC	K8AK-PT1 100-240 VAC
Temperature monitoring	K8AK-TS1 100-240 VAC
24 VAC/DC	K8AK-TS1 24 VAC/DC

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