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Circuit Breakers

Relays, Contactors & Circuit Breakers

PCB mount not applicable.

Visit

TE.com for more information

PCB mount not applicable.

Visit

TE.com for more information

PCB mount not applicable.

Visit

TE.com for more information

Potter & Brumfield W57

Thermal overload/trip free operation

Push to reset

Compact design

Cannot be manually tripped

PCB termination options

UL 1077, UL 1500, cUL, VDE, CCC.

(3A,4A,20A no VDE)

Potter & Brumfield W58

Thermal overload/trip free operation

Push to reset

Cannot be manually tripped

Visual trip indication

UL 1077, UL 1500, CSA. (30A not UL

or CSA)

Potter & Brumfield W6/W9

Magnetic hydraulic actuation/trip-free

operation

Several delay curve options

Fungus and moisture resistant

UL 1077, UL 1500, CSA, VDE

Applications

Generators, general aviation,

medical, marine

Power supplies, lighting,

surge protection

Audio, pool and spa, appliances,

Industrial controls

Generators, general aviation,

medical, marine

Power supplies, lighting,

surge protection

Audio, pool and spa, appliances,

Industrial controls

HVAC (transformers), general

aviation, medical, marine

Power supplies, lighting,

surge protection

Audio, pool and spa, appliances,

Industrial controls

Operational Data

Type

Number of Poles

Circuit function

Ambient temperature (max.)

Terminal type

Mounting

Manual operation Actuator

Dimension L*W*H

Thermal

1

Series trip

0 to 60°C

Standard quick connect

.250in x .032in and #8-32 screw

and PCB option

3/8"-24, M11-1.0,

M12-1.0 threaded bushing

Push-to-reset

31.0 x 14.6 x 35.0mm (W54)

22.6 x 14.6 x 29.2mm (W57)

Thermal

1

Series trip

-25 to 65°C

Standard quick connect

.250in x .032in and #8-32 screw

7/16"-28, 15/32"-32,

3/8"-24 threaded bushing"

Push-to-reset

34.9 x 16.8 x 34.9mm

Magnetic/hydraulic

1-4

Series trip

-40 to +85 °C

W6-Standard Quick Connect

.250in x .032in and #8-32 or #10/32

screw. W9- #10/32 stud terminations

6-32, M3 tapped holes

Toggle

41.7 x 19.0 x 50.8mm (W6 per pole)

46.9 x 19.0 x 63.5mm (W9 per pole)

Electrical Data

Dielectric strength

Insulation Resistance

Max Operating Voltages

Rated current

Interrupt capacity

Calibration

Resetable Overload Capacity

Reset Time

1500VAC

50VDC, 250VAC 50/60 Hz

3A to 20A

1000 amps in accordance with

UL standard 1077

Will continuously carry 100% of

rating. May trip between 101% and

134%, but must trip at 135% of

rating within one hour at +25°C

Ten times rated current

60 Seconds

1500Vrms

50VDC, 250VAC

0.5A to 30A

2000 amps at 50VDC (0.5 - 30

amp models) 1000 amps at

250VAC (0.5 - 30amp models).

Note: 30 amp model not

UL or CSA

Breaker will continuously carry

100% of rated load. It may trip

between 101% and 145% of rated

load, but must trip at 145%

at 25°C

Ten times rated current

50/60 Hz, 1,500V: DC, 1100V

100 megohms at 500VDC

65VDC, 277VAC, 480VAC - 3Ø wye

0.20A to 50A

up to 5000A with UL 1077, CSA,

VDE. Up to 3000A for UL 1500

Breakers will hold 100% rated

current. May trip between 101% and

124% rated load (134% for AC/DC

units) Must trip at 125% rated load

(135% for AC/DC units)

Ten times rated current

60 Seconds

Accessories

Protective boot, knurl nut, hex nut,

lockwasher, nameplate

Protective boot, knurl nut, hex nut,

lockwasher

Toggle guard (W6 only)

Link to datasheet

Potter & Brumfield W57

Potter & Brumfield W58

Potter & Brumfield W6/W9

Key Features

1) Recommended minimum load indication for contact material: AU and gold plated: 1mA at 6VDC; AgNi0.15 and AgNi90/10:

10mA at 12VDC: AgCdO and AgSnO

2: 100mA at 12VDC. Please contact technical support for detailed technical data.