K8AB-PH1-L

Phase-sequence Phase-loss Relay

K8AB-PH1-L

Three-phase Phase-sequence Phase-loss Relay Using Voltage Detection Method Fixed phase Asymmetry monitoring

* Information in this page is a reference that you created on the basis of information in the product catalog before the end of production, may be different from the current situation, such as goods for / supported standards options / price / features of the product. Before using, please check the compatibility and safety system.

last update: February 3, 2014

Ratings

Rated input voltage	Three-phase, three-wire mode, 200 to 500 VAC
Input load	15 VA max.
Reversed phase and phase loss operating time	0.1 s max.
Reset method	Automatic reset
Indicators	Power (PWR): Green, Relay output (RY): Yellow
Output relays	One SPDT relay (NC operation)
Output relay ratings	Rated load Resistive load 6 A at 250 VAC (cosφ = 1) 6 A at 30 VDC (L/R = 0 ms) Inductive load 1 A at 250 VAC (cosφ = 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: 1,000,000 operations Electrical life: Make: 25,000 times, Break: 15,000 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	0.54 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	Munsell 5Y8/1
Case material	ABS resin (self-extinguishing resin) UL94-V0
Weight	Approx. 110 g
Mounting	Mounted to DIN Track or via M4 screws (tightening torque: 1.2 Nm)
Dimensions	22.5 (W) × 90 (H) × 100 (D) mm

Specifications

Input voltage range	200 to 500 VAC
Input frequency range	45 to 65 Hz
Overload capacity	Continuous input: 115% of maximum input, 10 s max.: 125% of maximum input
Fixed Phase Asymmetry Monitoring	Output relay releases when one phase-phase voltage drops below 80% of the other phase-phase voltage.
Temperature influence	Operating time Fluctuation based on measured value at standard temperature: -20°C to standard temperature: ±10% max. Standard temperature to 60°C: ±10% max. (Humidity: 25% to 80%)
Humidity influence	Operating time Based on ambient room humidity 25% to 80%: ±10% max.
Influence of power supply voltage	Operating time: ±10% max. Note: The error in the operating value and operating time under standard conditions.
Influence of power supply frequency	Operating time: ±10% max. (at 45 to 65 Hz) Note: The error in the operating value and operating time under standard conditions.
Influence of input frequency	At 45 to 65 Hz Operating time: ±10% max. Note: The error in the operating value and operating time under standard conditions.
Insulation resistance	20 MΩ min. Between external terminals and case Between input terminals and output terminals
Dielectric strength	2,000 VAC for one minute Between external terminals and case 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, acceleration 50 m/s² 10 sweeps of 5 min each in X, Y, and Z directions
Shock resistance	100 m/s², 3 times each in 6 directions along three axes (up/down, left/right, forward/ backward)
Degree of protection	Terminal section: Finger protection

last update: February 3, 2014

Product Category

Power Supplies / In Addition
- Measuring / Motor Protective Relays
  - Discontinued
    - K8AB-PH1-L

Top of page