Datasheet

Subject to alterations and errors
Release 08/05
Load monitors - GAMMA series
Power factor monitoring (cosϕ) in 1- or 3-phase mains
Underload monitoring
Fault latch
Recognition of disconnected consumers
Suitable for VFI (10 to 100Hz)
Supply voltage selectable via power modules
1 change-over contact
Width 22.5mm
Industrial design
Technical data
1. Functions
Underload monitoring (cosϕ) in 1- or 3-phase mains with adjustable
threshold, fi xed hysteresis, timing for start-up supression and tripping
delay separately adjustable and the following functions (selectable by
means of rotary switch)
UNDER Unterload monitoring
UNDER+LATCH Unterload monitoring with fault latch
2. Time ranges
Adjustment range
Start-up suppression time: 1s 100s
Tripping delay: 0.1s 40s
3. Indicators
Green LED ON: indication of supply voltage
Green LED fl ashes: indication of start-up supression time
Yellow LED R ON/OFF: indication of relay output
Yellow LED I=0 ON/OFF: indication of disconnected consumers
Red LED ON/OFF: indication of failure
of the corresponding threshold
Red LED fl ashes: indication of tripping delay
of the corresponding threshold
4. Mechanical design
Self-extinguishing plastic housing, IP rating IP40
Mounted on DIN-Rail TS 35 according to EN 50022
Mounting position: any
Shockproof terminal connection according to VBG 4 (PZ1 required),
IP rating IP20
Tightening torque: max. 1Nm
Terminal capacity:
1 x 0.5 to 2.5mm² with/without multicore cable end
1 x 4mm² without multicore cable end
2 x 0.5 to 1.5mm² with/without multicore cable end
2 x 2.5mm² fl exible without multicore cable end
5. Input circuit
Supply voltage:
12 to 400V AC terminals A1-A2 (galvanically separated)
selectable via power modules TR2
Tolerance: according to specifi cation
of power module
Rated frequency: according to specifi cation
of power module
Rated consumption: 2VA (1.5W)
Duration of operation: 100%
Reset time: 500ms
Residual ripple for DC: -
Drop-out voltage: >30% of the supply voltage
Overvoltage category: III (according to IEC 60664-1)
Rated surge voltage: 4kV
6. Output circuit
1 potential free change-over contact
Rated voltage: 250V AC
Switching capacity (distance <5mm): 750VA (3A / 250V AC)
Switching capacity (distance >5mm): 1250VA (5A / 250V AC)
Fusing: 5A fast acting
Mechanical life: 20 x 10
6
operations
Electrical life: 2 x 10
5
operations
at 1000VA resistive load
Switching frequency: max. 60/min at 100VA resistive load
max. 6/min at 1000VA resistive load
(according to IEC 947-5-1)
Overvoltage category: III (according to IEC 60664-1)
Rated surge voltage: 4kV
7. Measuring circuit
Measured variable: AC Sinus (10 to 100Hz)
Measuring-input voltage:
1-phase mains 40 to 415V AC (max. 300V against ground)
terminals L1i-L2/L3
3-phase mains 3~ 40/23 to 415/240V, terminals L1i-L2-L3
Overload capacity:
1-phase mains 500V
3-phase mains 3~ 500/289V
Input resistance: ≥1MΩ
Measuring-input current: 0.5 to 10A, terminals L1i-L1k
(for I>8A distance >5mm)
Overload capacity: 12A permanently
Input resistance: 5mΩ
Switching threshold cos
ϕ
: 0.1 to 1.0
Hysteresis: fi xed, approx. 3°
(equivalent to 3% at cos
ϕ
=0.8)
Overvoltage category: III (according to IEC 60664-1)
Rated surge voltage: 4kV
8. Accuracy
Base accuracy: ±5% (equivalent to 5% at cos
ϕ
=0.8)
Frequency response: -
Adjustment accuracy: ≤5% (at cos
ϕ
=0.8)
Repetition accuracy: ±1.8° (equivalent to 1.8% at cos
ϕ
=0.8)
Voltage infl uence: -
Temperature infl uence: ≤0.1% / °C
9. Ambient conditions
Ambient temperature: -25 to +55°C (according to IEC 68-1)
-25 to +40°C (according to UL 508)
Storage temperature: -25 to +70°C
Transport temperature: -25 to +70°C
Relative humidity: 15% to 85%
(according to IEC 721-3-3 class 3K3)
Pollution degree: 3 (according to IEC 60664-1)
Vibration resistance: 10 to 55Hz 0.35mm
(according to IEC 68-2-6)
Shock resistance: 15g 11ms (according to IEC 68-2-27)
G2CU400V10AL10
2.01-4