Page 15 - Slimline Fuse Switches

PRODUCT OVERVIEW 15

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Product overview

Electronic Fuse Monitoring (EFM)

02
The SlimLine XR Gold EFM gives an alarm at any fault An internal potential free relay (1NO + 1NC) will
conditions if a fuse is blown. The New EFM is trip to transfer a signal for a remote fuse blown
smaller, easier to install and available up to 800V AC. alarm. The EFM unit is self supplied, which means
no additional power supply is required.

Fuse status Relay contacts Relay contacts
Green LED Red LED NO contact 11,12 NC contact 13,12
1. XRG in ON position Open Closed Open Closed
Fuses OK X X
Fuses BLOWN X X
2. XRG in OFF position
Fuses OK X X
Fuses BLOWN X X
Note! EFM cannot be retro fitted.
Note! Pin 12 is common for NO/NC function.

Diagram XRG AC EFM Diagram XRG DC EFM
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ƄŹŦƂŧ
ƅ

ź ź ź ź ź

ſ ƌ ſ ƌ
Ƃƃ Ƃƃ
Ƃŷ Ƃŷ
ƂƃŨƂŷ ƂƃŨƂŷ

ƅ ƗƜ ƝƞƓƜ ơƢƏƢƓ ƅ ƗƜ ƝƞƓƜ ơƢƏƢƓ
Ɗ Ɗ Ɗ Ɗ
Q1. Switch disconnector Fuse Q1. Switch disconnector Fuse
K1: Electronic Fuse Monitor (EFM) K1: Electronic Fuse Monitor (EFM)
V1: Fuses OK V1: Fuses OK
V2: Fuse(s) blown V2: Fuse(s) blown
X1: Multiplug terminals X1: Multiplug terminals