K8AB-AS

3

■ Ratings

Power supply

voltage

Isolated power supply

24 VDC, 24 VAC, 100 to 115 VAC, 200 to 230 VAC

Power consumption

24 VDC:

1 W max.

24 VAC:

4 VA max.

100 to 115 VAC: 4 VA max.

200 to 230 VAC: 5 VA max.

Operating value setting range (SV)

10% to 100% of maximum measuring current

K8AB-AS1: 2 to 20 mA AC/DC

10 to 100 mA AC/DC

50 to 500 mA AC/DC

K8AB-AS2: 0.1 to 1 A AC/DC

0.5 to 5 A AC/DC

0.8 to 8 A AC/DC

K8AB-AS3: When used together with a K8AC-CT200L Current Transformer

10 to 100 A AC

20 to 200 A AC

Operating value

100% operation at set value

Reset value setting range (HYS.)

5% to 50% of operating value

Reset method

Manual reset/automatic reset (switchable)

Note: Manual reset: Turn OFF power supply for 1 s or longer.

Operating time setting range (T)

0.1 to 30 s

Startup lock time setting range (LOCK)

Note: Enabled only for overcurrent operation.

0 to 30 s

(The startup lock timer starts when the input has reached approximately 30% or more of the set value.)

Note: Enabled only for overcurrent operation.

Indicators

Power (PWR): Green, Relay output (RY): Yellow, Alarm outputs (ALM): Red

Input impedance

Refer to "Input Range" on previous page.

Output relays

One SPDT relay (NO/NC switched using DIP switch.)

Output relay ratings

Rated load

Resistive load

6 A at 250 VAC (cos

φ = 1)

6 A at 30 VDC (L/R = 0 ms)

Inductive load

1 A at 250 VAC (cos

φ = 0.4)

1 A at 30 VDC (L/R = 7 ms)

Maximum contact voltage:

250 VAC

Maximum contact current:

6 A AC

Maximum switching capacity: 1,500 VA

Minimum load:

10 mA at 5 VDC

Mechanical life:

10,000,000 operations

Electrical life:

Make: 50,000 times, Break: 30,000 times

Ambient operating temperature

−20 to 60°C (with no condensation or icing)

Storage temperature

−40 to 70°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 N·m

Terminal wiring method

Recommended wire

Solid wire:

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

Munsell 5Y8/1

Case material

PBT/ABS resin (self-extinguishing resin) UL94-V0

Weight

Approx. 130 g

Mounting

Mounted to DIN Track or via M4 screws (tightening torque: 1.2 N·m)

Dimensions

22.5 (W)

× 90 (H) × 100 (D) mm