Specifications - Omron K8AK-AS1 Manual

Single-phase current relay
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K8AK-AS
Terminal wiring method
Case color
Case material
Weight
Mounting
Dimensions

Specifications

Allowable operating voltage range
Allowable operating frequency range 50/60 Hz ±5 Hz
Input frequency range
Overload capacity
Operating value
Repeat error
Operating time
Conforming
standards
Applicable
EMC
standards
Safety standards
Insulation resistance
Dielectric strength
Noise immunity
Vibration resistance
Shock resistance
Degree of protection
3
Recommended wire
Solid wire: 2.5 mm
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
N1.5
PC and ABS
Approx. 150 g
Mounts to DIN Track
22.5 × 90 × 100 mm (W×H×D)
85% to 110% of power supply voltage
K8AK-AS1 and K8AK-AS2: DC input or AC input (45 to 65 Hz)
K8AK-AS3:
AC input (45 to 65 Hz)
K8AK-AS1 and K8AK-AS2:
Continuous input at 120% of maximum input, 1 s at 150%
K8AK-AS3:
Continuous input at 120%, 30 s at 200%, and 1 s at 600% with an OMRON CT (K8AC-CT200L)
Note: Overload capacity of primary side of CT.
±0.5% full scale (at 25°C and 65% humidity, rated power supply voltage, DC or 50/60 Hz sine wave input)
±50 ms (at 25°C and 65% humidity, rated power supply voltage)
EN60947-5-1
Installation environment (pollution level 2, installation category III)
EN60947-5-1
UL 508 (Recognition), Korean Radio Waves Act (Act 10564), CSA: CAN/CSA C22.2 No.14,
CCC: GB14048.5
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
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
1,500 V power supply terminal common/normal mode
Square-wave noise of ±1 μs/100 ns pulse width with 1-ns rise time
Frequency 10 to 55 Hz, 0.35-mm single amplitude, acceleration 50 m/s
10 sweeps of 5 min each in X, Y, and Z directions
150 m/s
2
, 3 times each in 6 directions along 3 axes
Or 100 m/s
for relay contacts.
2
Terminals: IP20
2
2

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