Protection Relays
Single Function Relays and Controls
PHS SERIES
Phase Control
Description
The PHS Series is an ideal method of changing lamp intensity,
varying the speed of a fan/motor, or controlling the temperature
of a heater. The effective output voltage is adjusted with an
accessory external potentiometer suitable for line voltage
applications.
Operation
Upon application of input voltage, effective output voltage
can be varied by changing the external resistance value. As
the external resistance increases, the effective output voltage
decreases. The inverse is also true.
Features & Benefits
FEATURES
External adjustment
- 230VAC rated
potentiometer
BENEFITS
Allows control of heavy loads directly, solid state
design will provide long life
Allows control of heavy loads directly, solid state
design will provide long life
Provides quick and easy installation
Wiring Diagram
L1
N/L2
Up to 20A steady
state - 200A inrush
Single hole
surface mounting
Accessories
Triac Output Device
V = Voltage
L = Load
RT = External Adjustment
P1004-174
(100kΩ 1W)
, P1004-175
(200kΩ 2W)
Versa-Pot
Panel mountable, industrial potentiometer
recommended for remote time delay adjustment.
P0700-7 Versa-Knob
Designed for 0.25 in (6.35 mm) shaft of
Versa-Pot. Semi-gloss industrial black finish.
P1015-64
(AWG 14/16)
Female Quick Connect
These 0.25 in. (6.35 mm) female terminals are
constructed with an insulator barrel to provide
strain relief.
P1015-18 Quick Connect to Screw Adapter
Screw adapter terminal designed for use with
all modules with 0.25 in. (6.35 mm) male quick
connect terminals.
Ordering Information
MODEL
INPUT VOLTAGE
RATING
PHS120A10
PHS120A20
PHS120A6
PHS230A10
PHS230A20
PHS230A6
120VAC
120VAC
120VAC
230VAC
230VAC
230VAC
10A
20A
6A
10A
20A
6A
If you don’t find the part you need, call us for a custom product 800-843-8848
© 2016 Littelfuse Protection Relays & Controls
www.littelfuse.com/phs
Rev: 1-A-062116
Protection Relays
Single Function Relays and Controls
PHS SERIES
Specifications
Output
Type
Rating
Variable voltage phase angle control
Steady State (at 100% On)
Inrush*
1A
10A
6A
60A
10A
100A
20A
200A
100mA
≅
2.0V at rated current
120 or 230VAC
±20%
50/60Hz
≥ 2000V RMS terminals to mounting surface
≥100MΩ
Surface mount with one #10 (M5 x 0.8) screw
H
50.8 mm (2”);
W
50.8 mm (2”);
D
38.4 mm (1.51”)
0.25 in. (6.35 mm) male quick connect terminals
Typical Output Waveform
Minimum Load Current
Voltage Drop
Input
Voltage
Tolerance
AC Line Frequency
Protection
Dielectric Breakdown
Insulation Resistance
Mechanical
Mounting *
Dimensions
Termination
Environmental
Operating/Storage
Temperature
Humidity
Weight
External Adjustment
Potentiometer
120VAC
230VAC
-20° to 60°C / -40° to 85°C
95% relative, non-condensing
1A:
≅
2.4 oz (68 g)
6, 10, & 20A:
≅
3.9 oz (111 g)
100KΩ rated at 1W
200KΩ rated at 2W
Must have insulation resistance suitable for
line voltage applications.
*Units rated ≥ 6A must be bolted to a metal surface using the included heat sink compound. The
maximum mounting surface temperature is 90°C. Inrush: Non-repetitive for 16ms.
© 2016 Littelfuse Protection Relays & Controls
www.littelfuse.com/phs
Rev: 1-A-062116
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