SchneiderPushbuttons, Switches, Pilot Lights, Control Stations and Joysticks

ZB4BW0M51

Name: ZB4BW0M51
Brand: Schneider
SKU: ZB4BW0M51

The ZB4BW0M51 is a reliable and efficient light block designed for 230-240V AC applications, featuring a silver alloy (Ag/Ni) construction and a 10 A cartridge fuse.

Product ModelZB4BW0M51

Product ID24910

Stock on Request

Last updated: 9/6/2026

Quantity

Key Features

1
FeatureHigh-quality silver alloy (Ag/Ni) construction for durability.
2
Feature10 A cartridge fuse type gG conforming to IEC 60947-5-1 for safety and reliability.
3
FeatureIdeal for 230-240V AC applications, ensuring compatibility with various electrical systems.
4
FeatureMetal orange integral LED design for enhanced visibility and aesthetic appeal.
5
FeatureCompliant with pollution degree 3, ensuring performance in harsh environments.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Range of Product

Harmony XB4

Product or Component Type

Complete body/contact assembly and light block

Device short name

ZB4

Fixing collar material

Zamak

Sale per indivisible quantity

Head type

Standard

Contacts type and composition

Contact operation

Slow-break

Connections - terminals

Screw clamp terminals, <= 2 x 1.5 mmÂ² with cable end IEC 60947-1Screw clamp terminals, >= 1 x 0.22 mmÂ² without cable end IEC 60947-1

Light source

Protected LED

Bulb base

Integral LED

Light block supply

Direct

Light source colour

Orange

[Us] rated supply voltage

230...240 V AC 50/60 Hz

CAD overall width

1.2 in (30 mm)

CAD overall height

1.9 in (47 mm)

Terminals description ISO nÂ°1

(13-14)NO

Net Weight

0.141 lb(US) (0.064 kg)

Contacts usage

Standard

Positive opening

Without

Operating travel

0.1 in (2.6 mm) NO changing electrical state)0.2 in (4.3 mm) total travel)

Operating force

2.3 N NO changing electrical state

Operating torque

0.44 lbf.in (0.05 N.m) NO changing electrical state

Mechanical durability

5000000 cycles

Tightening torque

7.08...10.6 lbf.in (0.8...1.2 N.m) IEC 60947-1

Shape of screw head

Cross Philips no 1Cross pozidriv No 1Slotted flat Ã 4 mmSlotted flat Ã 5.5 mm

Contacts material

Silver alloy (Ag/Ni)

Short-circuit protection

10 A cartridge fuse gG IEC 60947-5-1

[Ith] conventional free air thermal current

10 A IEC 60947-5-1

[Ui] rated insulation voltage

600 V 3)IEC 60947-1

[Uimp] rated impulse withstand voltage

6 kV IEC 60947-1

[Ie] rated operational current

3 A 240 V, AC-15, A600 IEC 60947-5-16 A 120 V, AC-15, A600 IEC 60947-5-10.1 A 600 V, DC-13, Q600 IEC 60947-5-10.27 A 250 V, DC-13, Q600 IEC 60947-5-10.55 A 125 V, DC-13, Q600 IEC 60947-5-11.2 A 600 V, AC-15, A600 IEC 60947-5-1

Electrical durability

1000000 cycles, AC-15, 2 A 230 V 3600 cyc/h 0.5 IEC 60947-5-1 appendix C1000000 cycles, AC-15, 3 A 120 V 3600 cyc/h 0.5 IEC 60947-5-1 appendix C1000000 cycles, AC-15, 4 A 24 V 3600 cyc/h 0.5 IEC 60947-5-1 appendix C1000000 cycles, DC-13, 0.2 A 110 V 3600 cyc/h 0.5 IEC 60947-5-1 appendix C1000000 cycles, DC-13, 0.5 A 24 V 3600 cyc/h 0.5 IEC 60947-5-1 appendix C

Electrical reliability

Î < 10exp(-6) 5 V 1 mA in clean environment IEC 60947-5-4Î < 10exp(-8) 17 V 5 mA in clean environment IEC 60947-5-4

Signalling type

Steady

Supply voltage limits

195...264 V AC

current consumption

14 mA

Service life

100000 h at rated voltage and 25 °C

Surge withstand

1 kV IEC 61000-4-5

Device presentation

Basic sub-assemblies

Protective treatment

Ambient Air Temperature for Storage

-40...158 °F (-40...70 °C)

Ambient Air Temperature for Operation

-40...158 °F (-40...70 °C)

Electrical shock protection class

Class I IEC 60536

Standards

IEC 60947-5-4JIS C8201-5-1IEC 60947-5-5IEC 60947-1IEC 60947-5-1CSA C22.2 No 14UL 508JIS C8201-1

Product Certifications

BVUL ListedGLDNVCSALROS (Lloyds register of shipping)

Vibration resistance

5 gn 2...500 Hz)IEC 60068-2-6

Shock resistance

30 gn 18 ms) half sine wave acceleration IEC 60068-2-2750 gn 11 ms) half sine wave acceleration IEC 60068-2-27

Resistance to fast transients

2 kV IEC 61000-4-4

Resistance to electromagnetic fields

9.1 V/m (10 V/m) IEC 61000-4-3

Resistance to electrostatic discharge

6 kV on contact (on metal parts) IEC 61000-2-68 kV in free air (in insulating parts) IEC 61000-2-6

Electromagnetic emission

Class B IEC 55011