https://www.phoenixcontact.com/pi/products/3069704

11/22/2018   Page 2 / 5

Amp meter changeover switch - RS20-US-

S0048-0304-014H-001 - 3069704

Technical data

General

Rated insulation voltage

690 V (Valid for networks with grounded neutral point, overvoltage

category III, degree of pollution 3)

Rated operating current according to AC-15 (switching of solenoid

drives, contactors, valves, pulling electromagnets)

5 A (220 - 240 V)

4 A (380 - 440 V)

Rated operating current according to AC-21A (switching of ohmic loads

including small overloads)

20 A

Rated operating current according to AC-22A (switching of mixed ohmic

and inductive loads, including small overloads)

20 A (220 - 500 V)

20 A (660 - 690 V)

Switching power according to AC-3 (squirrel-cage motors: direct starting,

switching off motors during operation, star-delta startup (CH16B))

3 kW (220 - 240 V; 3-phase, 3-pos.)

5.5 kW (380 - 440 V; 3-phase, 3-pos.)

5.5 kW (500 V; 3-phase, 3-pos.)

5.5 kW (660 - 690 V; 3-phase, 3-pos.)

0.6 kW (110 - 120 V; 1-phase, 2-pos.)

2.2 kW (220 - 240 V; 1-phase, 2-pos.)

3 kW (380 - 440 V; 1-phase, 2-pos.)

Switching power according to AC-4 (squirrel-cage motors: starting,

reversing, plugging, inching)

0.55 kW (220 - 240 V; 3-phase, 3-pos.)

1.5 kW (380 - 440 V; 3-phase, 3-pos.)

1.5 kW (500 V; 3-phase, 3-pos.)

1.5 kW (660 - 690 V; 3-phase, 3-pos.)

0.3 kW (110 - 120 V; 1-phase, 2-pos.)

0.75 kW (220 - 240 V; 1-phase, 2-pos.)

1.5 kW (380 - 440 V; 1-phase, 2-pos.)

Switching power according to AC-23A (frequent switching of motors or

other highly inductive loads)

3.7 kW (220 - 240 V; 3-phase, 3-pos.)

7.5 kW (380 - 440 V; 3-phase, 3-pos.)

7.5 kW (500 V; 3-phase, 3-pos.)

7.5 kW (660 - 690 V; 3-phase, 3-pos.)

0.75 kW (110 - 120 V; 1-phase, 2-pos.)

2.5 kW (220 - 240 V; 1-phase, 2-pos.)

3.7 kW (380 - 440 V; 1-phase, 2-pos.)

Breaking capacity

150 A (220 - 240 V)

150 A (380 - 440 V)

80 A (660 - 690 V)

Maximum power dissipation for nominal condition

0.9 W

Ambient temperature (operation)

-35 °C ... 55 °C (Open, at 100% load, with peaks up to 60°C)

25 A (gL/gG characteristics)

Rated short-time current resistance

140 A (1 s current)