R4H3030FJ EATON CUTLER HAMMER, R4H3030FJ Datasheet - Page 8

• Manufacturer Part Number: R4H3030FJ
• Description: H-FRAME, J FUSIBLE ROTARY DISC, 3P, 600V, 30A
• Manufacturer: EATON CUTLER HAMMER

Specifications of R4H3030FJ

• No. Of Poles: 3
• Contact Current Ac Max: 30A

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Switching Devices
Introduction
The disconnect means shall be able to be locked in the OPEN position
independent of the door position.
The circuit disconnecting device shall be provided with a
permanent means, permitting it to be locked in the OFF position
only independent of the door position. When locked, remote as
well as local closing shall be prevented.
Note: NFPA 79; Paragraph 5.3.3.1 (3).
An operating mechanism for the disconnecting means shall be
able to be locked in the OFF position independent of the door
position. When locked, closing of the disconnect is not possible.
Note: UL 508A; Paragraph 66.6.3 d.
The interlocking of the enclosure door shall be provided with means
to defeat the interlock without removing the power.
The interlocking means required by 66.1.5 shall be provided with
all of the following:
●
●
Note: Added 66.1.5.1 effective March 1, 2007. UL 508A;
Paragraph 66.1.5.1.
NFPA 79; Paragraph 6.2.3.1.2 states that the [enclosure]
interlocking means shall meet the following requirements:
●
●
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Means to defeat the interlock without removing power,
and requires the use of a tool to operate
Reactivated automatically when all the doors are closed
Use a device or tool to allow qualified persons to defeat
the interlock
Be reactivated automatically when the door is closed
Switching Devices PG00802002E—November 2010 www.eaton.com
Locked in the open position independent of the door position
Door close: The external through-
the-door handle is padlocked when
locked closing of the disconnect is
not possible.
Defeat the interlock without removing the power
A tool allows defeat of the interlock without
removing power. The interlocking is reactivated
automatically when the door is closed.
Door open: A strong metallic padlock
kit allows up to three padlocks. The
padlocking means is easily accessible,
when locked closing of the disconnect
is not possible.