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K8AB-PW

Description
Three-phase Voltage Relay
File Size606KB,12 Pages
ManufacturerOMRON
Websitehttps://www.omron.com
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K8AB-PW Overview

Three-phase Voltage Relay

Three-phase Voltage Relay
K8AB-PW
Ideal for monitoring 3-phase power supplies
for industrial facilities and equipment.
• Monitor overvoltages and undervoltages for three-phase 3-wire
or 4-wire power supplies.
DIP switch setting for 3-phase 3-wire or 3-phase 4-wire power
supply.
• Two SPDT output relays, 6 A at 250 VAC (resistive load).
Separate outputs possible for overvoltages and undervoltages.
• World-wide power specifications supported by one Unit
(switchable using DIP switch).
• Relay status can be monitored using LED indicator.
Model Number Structure
Model Number Legend
K8AB-@@
1
2 3
1. Basic Model
K8AB: Measuring and Monitoring Relays
2. Functions
PW: Three-phase Voltage Relay (Simultaneous upper and lower monitoring)
3. Rated Input Voltage
1:
115, 127, 133, 138, 200, 220, 230, 240 VAC
2:
220, 230, 240, 277, 380, 400, 415, 480 VAC
Single K8AB Monitors 3-phase Power Supply with 3 or 4 Wires
Monitoring Relays can be used to monitor 3-phase power supplies with 3 or 4 wires simply by changing DIP switch settings.
Phase to phase voltage (3 wires)
Phase to neutral voltage (4 wires)
L1
L2
L3
L1
L2
L3
N
400VAC
230VAC
400VAC
400VAC
230VAC
230VAC
A Single K8AB Can Monitor a 3-phase Power Supply Anywhere in the World
Reduces Maintenance Parts Inventory
SW3
SW4
K8AB-P@1
K8AB-P@2
SW2
SW2
ON
OFF
ON
OFF
P-N
P-P
P-N
P-P
ON
ON
138V
240V
277V
480V
ON
OFF
133V
230V
240V
415V
OFF
ON
127V
220V
230V
400V
OFF
OFF
115V
200V
220V
380V
Cat. No. N148-E1-02
Three-phase Voltage Relay
K8AB-PW
1

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Description Three-phase Voltage Relay Three-phase Voltage Relay
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