ARF Duplex Series

May not be exact product – for reference only.

ARF120A8R

Lead Time: 

10

Days

function

Duplex

control voltage

120V AC

output:

Duplex Sequence On – Simultaneous Off w/ Selector Switch

enclosure style

Flange enclosure designed for deadfront door-mounting

standard modifications

Switch to select normal alternation or lock loads 1 or 2

$208.89

Description of Function

Functions as “Sequence On – Simultaneously Off (S.O.S.O.)”-the two loads are energized sequentially, but remain on together until the OFF switch is opened. In the initial OFF state, all three switches are open, the Alternating Relay is in the LOAD 1 position, and both loads are OFF. No action happens with the Alternating Relay or either load when the OFF Switch closes. When the LEAD Switch closes, Load M1 turns ON. When the LAG Switch closes, Load M2 turns ON. Both loads remain ON as long as all three switches are closed. When the LAG Switch opens, Load M2 remains ON because the OFF Switch is still closed. When the LEAD Switch opens, Load M1 remains ON because the OFF Switch is still closed. When the OFF Switch opens, both Load M1 and Load M2 are turned off simultaneously. The Alternating Relay toggles to the LOAD 2 position. The entire cycle is then repeated, but with Load M2 energized first followed by Load M1.

Product Overview

Features:

Flange mount enclosure. For Duplex Control of Two Loads Control Voltages of 12 & 24V AC/DC and 120 & 240V AC Two 10A Output Contact Configurations: SPDT or DPDT Cross-Wired Low Profile Selector Switch to Lock in One Sequence Selector Switch Accessible without Opening Inner Door 2 LEDs Indicate Relay Status

Enclosure Style:

Flange enclosure designed for deadfront door-mounting
Configuration / Contact Rating:
10A @ 240V AC/24V DC, 1/2HP @ 120/240V AC (N.O.), 1/3HP @ 120/240V AC (N.C.)
10A @ 240V AC/24V DC, 1/2HP @ 120/240V AC (N.O.), 1/3HP @ 120/240V AC (N.C.)
Application Information:
Voltage Tolerance: AC Operation: +10/-15% of nominal at 50/60 Hz.; DC Operation (12 & 24V only): +10/-15% of nominal. Load (Burden): Less than 3 VA Indicator LEDs: Two LEDs marked LOAD 1 and LOAD 2 Life: Mechanical: 10,000,000 operations; Full Load: 100,000 operations Temperature: -28° to 65° C (-18° to 149° F) • Voltage Tolerance: AC Operation: +10/-15% of nominal at 50/60 Hz.; DC Operation (12 & 24V only): +10/-15% of nominal. • Load (Burden): Less than 3 VA • Indicator LEDs: Two LEDs marked LOAD 1 and LOAD 2 • Life: Mechanical: 10,000,000 operations; Full Load: 100,000 operations • Temperature: -28° to 65° C (-18° to 149° F) • Voltage Tolerance: AC Operation: +10/-15% of nominal at 50/60 Hz.; DC Operation (12 & 24V only): +10/-15% of nominal. • Load (Burden): Less than 3 VA • Indicator LEDs: Two LEDs marked LOAD 1 and LOAD 2 • Life: Mechanical: 10,000,000 operations; Full Load: 100,000 operations • Temperature: -28° to 65° C (-18° to 149° F)
Approvals:

Operations

For Sequence On – Simultaneously Off (S.O.S.O). Control system consisting of Off Switch, Lead Switch, and Lag Switch. The Two loads are energized sequentially but remain on together until the Off switch is opened. In the initial OFF state, all three switches are open, the Alternating Relay is in the LOAD 1 position, and both loads are Off. The sequence starts with the closure of the Off Switch but no action happens with the Alternating Relay or either load. When the LEAD Switch closes, Load 1 turns On. When the LAG Switch closes, Load 2 turns On. Both loads remain on as long as all three switches are closed. When the LAG Switch opens, Load 2 remains on because the OFF Switch is still closed. When the LEAD Switch opens, Load 1 remains On because the Off Switch is still closed. When the Off Switch opens, both the Load 1 and Load 2 are turned off simultaneously. The Alternating Relay toggles to the LOAD 2 position. Then entire cycle is then repeated but with Load 2 energized first followed by Load 1.

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