Meltric DSN General Product Line Information
Features and Ratings p. 22
DSN20 p. 23
DSN30 p. 25
DSN60 p. 27
Spare parts p. 29
DSN
Dimensions p. 31
Switch rated plugs and receptacles
with NEMA 4X protection
DSN Series products are switch and hp rated for quick, safe equipment changeouts. DSNs
e ideal for wet environments since they offer NEMA 4X watertightness as soon as the plug
ar
is latched to the r
eceptacle or as soon as the r
Main Advantages
t Switch & Hp rated (AC only)
Series Switch Rated Plugs & Receptacles
TM
DECONTACTOR
21
t 100 kA short circuit rated*
t NEMA 4X, IP66/67
t Compact, lightweight design
t Up to 4 auxiliary contacts
* See note under General Ratings on the next page
eceptacle lid is closed.
Highlighted Advantage
Simplify NFP
A 70E Compliance
See pgs 17-18 for
more information
Product Features
Spring Assisted Screw Terminals
Patented design assures “Tighten
and Forget” confidence.
Spring Loaded Butt-Style Contacts
Ensures optimal contact force and
superior electrical performance
over thousands of operations.
Lid
Provides additional
protection from harsh
environments.
Silver-Nickel Contact Material
Solid silver-nickel contact surfaces
provide superior conductivity, durability
and corrosion resistance.
Pushbutton Pawl
Provides quick, safe and
easy load break.
ead Front
D
Assures safety by preventing
user access to live parts.
Casing
Fiberglass reinforced thermoplastic polyester material
offers great resistance to
impact, cor
environmental conditions.
Lockout-Tagout Provisions
Allows plug to be easily locked out and
tagged. Optional Padlock Pawl allows
lockout/tagout of the receptacle.
osion and harsh
r
Operating
Instructions
1
When the plug and receptacle are latched together,
the circuit is connected.
2
Pressing the pawl causes
the DECONTACTOR to
break the circuit. The
plug is ejected to its rest
position; its contacts are
now dead.
General Ratings
Amperage 20 to 60A
Voltage 600 VAC*, 250 VDC Max
equency
Fr
Horsepower 1/2 to 20 hp
Short-Circuit
(Make & Withstand)
Environmental
Temperature min -40°F/max 140°F
DSN1 devices ar
*
** Testing was performed with RK1 current limiting fuses
sized at 400% or more of the highest full load motor
ampacity associated with the devices horsepower ratings.
e 480 V
AC
50-400 Hz
100kA**
NEMA 4X, IP66 + 67
Highlighted Feature
Typical Device Labels
Meltric Corporation
20 hp, 480V, NEMA 4X
L
ISTED 49B6
63-64047
SWITCH RATED RECEPTACLE/CONNECTOR
MOTOR CIRCUIT DISCONNECT SWITCH
BRANCH CIRCUIT DISCONNECT SWITCH
DSN Decontactors are UL & CSA rated for
“motor circuit” and “branch circuit” disconnect
switching – up to 20 hp and up to 60A
DSN, 60A
Listings
Category UL CSA IEC
Plugs and Receptacles UL 1682 C22.2 No. 182.1 60309-1
Branch Circuit Disconnect Switching UL Subject 2682 UL Subject 2682
mance tested to UL 98)
for
(AC only)
Motor Circuit Disconnect Switching UL Subject 2682 UL Subject 2682
(AC only) (Performance tested to UL 508)
CE ratings available upon request
(Per
60947-3, AC22, AC23
04J27
3
Rotating the ‘dead’ plug
30
closes the safety shutter
and frees the plug to be
withdrawn fr
receptacle.
counter
°
clockwise
om the
4
The plug and the receptacle
are separated. The safety
shutter pr
live par
r
apply insertion force.
events access to
ts.
econnect, insert
o r
T
5
plug into receptacle,
clockwise, and
°
otate 30
DECONT
ACTOR
TM
Series Switch Rated Plugs & Receptacles
22
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