The Schneider Electric Harmony XB4 Series Light Block ZB4BV156 is designed for 250V applications, featuring a metal body and compatibility with BA9s bulbs.
Product ModelZB4BV156
Product ID24478
Stock on Request
Last updated: 9/5/2026
Key Features
1
FeatureEnhance your control stations with reliable and safe connections.
2
FeatureIdeal for 250V applications with BA9s bulb.
3
FeatureMetal body for durability and resistance to mechanical shock and vibration.
4
FeatureTrustworthy and secure connections exclusively from Schneider Electric.
5
FeaturePerfect for various control station and enclosure applications.
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/light block assembly
Device short name
ZB4
Fixing collar material
Zamak
Sale per indivisible quantity
1
Connections - terminals
Screw clamp terminals, <= 2 x 1.5 mm² with cable endScrew clamp terminals, >= 1 x 0.22 mm² without cable end
Light source
Bulb not included
Bulb base
BA 9s
Light block supply
Direct <2.4 W
[Us] rated supply voltage
<= 250 V
CAD overall width
1.2 in (30 mm)
CAD overall height
1.9 in (47 mm)
CAD overall depth
1.5 in (37 mm)
Terminals description ISO n°1
(X1-X2)PL
Net Weight
0.137 lb(US) (0.062 kg)
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 à 4 mmSlotted flat à 5.5 mm