Product Brochure

AC Manual Motor Controller Features Dimensions
Oversized PBT toggle is capable
of withstanding extreme
impact, harsh chemical attack,
and prolonged ultraviolet
exposure
Nickel-plated, brass
mounting yoke offers
exceptional strength
and corrosion resistance
Nickel-plated brass
bushings secure
yoke to device
Oversized toggle is easy to
turn ON/OFF with gloved hand
Mounting yoke is permanently
marked with catalog
number, amperage, voltage
and horsepower ratings for
easy identification
Internal chamber
barriers prevent
flash-over between
phases
Impact-resistant
PBT cover and base
External clamps accept back and
side wiring for #10AWG solid
copper wire. For #8AWG wire,
remove terminal clamp and use
ring terminal
#10 triple-drive
nickel-plated terminal
screws facilitate
tightening to proper
torque ranges
Electrical Specifications
Dielectric
Voltage-Withstand
2200V AC for 1 minute
Overload
50 cycles at 6 times full
rated current
Temperature Rise
50°C maximum at full
rated current
Endurance
6000 cycles of inductive
motor type load
Short Circuit Rating
(Motor Disconnect)
10,000 RMS symmetrical
amps at 600V AC max. when
protected by a 30 A time
delay fuse
Material Specifications
Mounting Yoke Nickel-Plated Brass
Base PBT Polyester
Cover PBT Polyester
Toggle PBT Polyester
Contacts Silver-Alloy
Terminal Screws Nickel-Plated Brass
Assembly Nickel-Plated Brass Bushings
Cat. Nos. N3302-DS, N3303-DS, N33NC-DS
Cat. No. MS302-DS
(dimensions are same for MS303-DS)
10 YEAR LIMITED
WARRANTY
Specifications
4.26 (108.1mm)
6.150
5.42 (137.7mm)
4.30 (109.1mm)
0.07 (1.7mm)
0.13 (3.3mm)
0.25 (6.4mm) MOUNTING HOLE (4 PL)
1.65 (41.9mm)
3.50
(88.9mm)
1.25
(31.8mm)
1/2, 3/4, 1 AND 1 1/4 KNOCKOUTS
1/2 AND 3/4 KNOCKOUTS
2.88 (73.2mm)
1.44
(36.6mm)
1.13
(28.7mm)
0.96
(24.4mm)
4.26 (108.1mm)
6.150
5.42 (137.7mm)
4.30 (109.1mm)
0.07 (1.7mm)
0.13 (3.3mm)
0.25 (6.4mm) MOUNTING HOLE (4 PL)
1.65 (41.9mm)
3.50
(88.9mm)
1.25
(31.8mm)
1/2, 3/4, 1 AND 1 1/4 KNOCKOUTS
1/2 AND 3/4 KNOCKOUTS
2.88 (73.2mm)
1.44
(36.6mm)
1.13
(28.7mm)
0.96
(24.4mm)
3.75
(95.3mm)
0.90
(22.9mm)
2.03
(51.6mm)
0.95
(24.1mm)
2.46
(62.4mm)
1.51
(38.3mm)
3.75
(95.3mm)
0.90
(22.9mm)
2.03
(51.6mm)
0.95
(24.1mm)
2.46
(62.4mm)
1.51
(38.3mm)
0.90
(22.9mm)
2.03
(51.6mm)
3.75
(95.3mm)
2.15
(54.6mm)
0.64
(16.3mm)
1.51
(38.3mm)
0.90
(22.9mm)
2.03
(51.6mm)
3.75
(95.3mm)
2.15
(54.6mm)
0.64
(16.3mm)
1.51
(38.3mm)
3.75
(95.3mm)
1.38
(34.9mm)
2.03
(51.6mm)
2.46
(62.6mm)
0.96
(24.3mm)
1.51
(38.3mm)
3.75
(95.3mm)
1.38
(34.9mm)
2.03
(51.6mm)
2.46
(62.6mm)
0.96
(24.3mm)
1.51
(38.3mm)
Environmental Specifications
Flammability UL94 V-0
Operating Temperature -40ºC to 60ºC
Standards Specifications
NEMA WD1 & WD6
ANSI C-73
UL 508 File #E63969
cUL per CSA C22.2 No. 111 File #E63969
NOM 057
Mechanical Specifications
Terminal Identification
T1, T2, T3, L1, L2 & L3 marked
on back of device
Terminal Accommodation
#10 AWG, #8 AWG
(with ring terminal)
Product Identification
Ratings are permanently
stamped on device strap
Torque 20 inch-pounds
Cat. No. MS302-DSS
(dimensions are same for MS303-DSS)
Cat. No. MS403-DS
(dimensions are same for MS402-DS)
4.26 (108.1mm)
6.150
5.42 (137.7mm)
4.30 (109.1mm)
0.07 (1.7mm)
0.13 (3.3mm)
0.25 (6.4mm) MOUNTING HOLE (4 PL)
1.65 (41.9mm)
3.50
(88.9mm)
1.25
(31.8mm)
1/2, 3/4, 1 AND 1 1/4 KNOCKOUTS
1/2 AND 3/4 KNOCKOUTS
2.88 (73.2mm)
1.44
(36.6mm)
1.13
(28.7mm)
0.96
(24.4mm)
0.25 (6.4mm) MOUNTING HOLE (2 PL)
3.25 (82.6mm)
3.16 (80.3mm)
2.00 (50.8mm)
2.50 (63.5mm)
4.75
(120.7mm)
3.00
(76.2mm)
2.45
(62.2mm)
1.00
(25.4mm)
1/2 AND 3/4 KNOCKOUTS
1/2 KNOCKOUT (2 PL)
0.25 (6.4mm) MOUNTING HOLE (2 PL)
3.25 (82.6mm)
3.16 (80.3mm)
2.00 (50.8mm)
2.50 (63.5mm)
4.75
(120.7mm)
3.00
(76.2mm)
2.45
(62.2mm)
1.00
(25.4mm)
1/2 AND 3/4 KNOCKOUTS
1/2 KNOCKOUT (2 PL)
0.25 (6.4mm) MOUNTING HOLE (2 PL)
3.25 (82.6mm)
3.16 (80.3mm)
2.00 (50.8mm)
2.50 (63.5mm)
4.75
(120.7mm)
3.00
(76.2mm)
2.45
(62.2mm)
1.00
(25.4mm)
1/2 AND 3/4 KNOCKOUTS
1/2 KNOCKOUT (2 PL)
3.33 (84.6mm)
3.24 (82.2mm)
2.00 (50.8mm)
2.54 (64.5mm)
5.01
(127.4mm)
3.00
(76.2mm)
2.45
(62.2mm)
1.00
(25.4mm)
1/2 AND 3/4 KNOCKOUTS
1/2 KNOCKOUT (2 PL)
0.25 (6.4mm) MOUNTING HOLE (2 PL)
3.33 (84.6mm)
3.24 (82.2mm)
2.00 (50.8mm)
2.54 (64.5mm)
5.01
(127.4mm)
3.00
(76.2mm)
2.45
(62.2mm)
1.00
(25.4mm)
1/2 AND 3/4 KNOCKOUTS
1/2 KNOCKOUT (2 PL)
0.25 (6.4mm) MOUNTING HOLE (2 PL)
3.33 (84.6mm)
3.24 (82.2mm)
2.00 (50.8mm)
2.54 (64.5mm)
5.01
(127.4mm)
3.00
(76.2mm)
2.45
(62.2mm)
1.00
(25.4mm)
1/2 AND 3/4 KNOCKOUTS
1/2 KNOCKOUT (2 PL)
0.25 (6.4mm) MOUNTING HOLE (2 PL)
3.33 (84.6mm)
3.24 (82.2mm)
2.00 (50.8mm)
2.54 (64.5mm)
5.01
(127.4mm)
3.00
(76.2mm)
2.45
(62.2mm)
1.00
(25.4mm)
1/2 AND 3/4 KNOCKOUTS
1/2 KNOCKOUT (2 PL)
0.25 (6.4mm) MOUNTING HOLE (2 PL)
Cat. Nos. N1302-DS, N1303-DS, N13NC-DS
Cat. Nos. N1303-TDS, N13NC-TDS
4.26 (108.1mm)
6.150
5.42 (137.7mm)
4.30 (109.1mm)
0.07 (1.7mm)
0.13 (3.3mm)
0.25 (6.4mm) MOUNTING HOLE (4 PL)
1.65 (41.9mm)
3.50
(88.9mm)
1.25
(31.8mm)
1/2, 3/4, 1 AND 1 1/4 KNOCKOUTS
1/2 AND 3/4 KNOCKOUTS
2.88 (73.2mm)
1.44
(36.6mm)
1.13
(28.7mm)
0.96
(24.4mm)
0.25 (6.4mm) MOUNTING HOLE (2 PL)
3.25 (82.6mm)
3.16 (80.3mm)
2.00 (50.8mm)
2.50 (63.5mm)
4.75
(120.7mm)
3.00
(76.2mm)
2.45
(62.2mm)
1.00
(25.4mm)
1/2 AND 3/4 KNOCKOUTS
1/2 KNOCKOUT (2 PL)