Schneider Electric Trip unit MicroLogic Vigi 4.2AL, ComPacT NSX100/160/250, 4 poles, electronic basic protections, earth leakage alarm, 40A C1044A040
Schneider Electric

Schneider Electric Trip unit MicroLogic Vigi 4.2AL, ComPacT NSX100/160/250, 4 poles, electronic basic protections, earth leakage alarm, 40A C1044A040

Part numberC1044A040EAN / GTIN3606481993960HS code8536.90
Electrical Components
Circuit Breaker Accessories
MOQ:1

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Product Description

Schneider Electric C1044A040 Protection for Circuit breaker ComPacT NSX100-250-electronic-Micrologic 4.2AL 40A 4p with Earth-fault alarm.

Technical Specifications

Manufacturer part number (MPN)
C1044A040
EAN / GTIN
3606481993960
HS code
8536.90
Sales unit
pcs
Package quantity
10 pcs
Rated current
40 A
Range
ComPacT
Range of product
ComPacT NSX100...250
Product or component type
Trip unit
Trip unit name
MicroLogic 4.2 ALUMINIUM
Trip unit technology
Electronic
Range compatibility
ComPacT NSX160; ComPacT NSX100; ComPacT NSX250
Device application
Distribution
Poles description
4P
Protected poles description
3D + N/2; 4D; 3D
Neutral position
Left
Trip unit protection functions
LSoI
Protection type
L : for overload protection (long time); So : for short time short-circuit protection with fixed delay; I : for instantaneous short-circuit protection
Trip unit rating
40 A at 40 °C
[Ue] rated operational voltage
440 V AC 50/60 Hz
Network type
AC
Network frequency
50/60 Hz
Circuit breaker mounting mode
Fixed
Long-time pick-up adjustment type Ir (thermal protection)
Adjustable 9 settings
[Ir] long-time protection pick-up adjustment range
18...40 A
Long-time protection delay adjustment type tr
Fixed
[tr] long-time protection delay adjustment range
11 s at 7.2 x Ir; 16 s at 6 x Ir; 400 s at 1.5 x Ir
Neutral protection settings
0.5 x Ir (3D + N/2); 1 x Ir (4D); No protection (3D)
Thermal memory
20 minutes before and after tripping
Short-time protection pick-up adjustment type Isd
Adjustable
[Isd] Short-time protection pick-up adjustment range
1.5...10 x Ir
Short-time protection delay adjustment type tsd
Fixed
Instantaneous protection pick-up adjustment type Ii
Fixed
[Ii] instantaneous protection pick-up adjustment range
600 A
Earth-leakage protection
Integrated
Earth-leakage protection class
Class A
Earth-leakage protection sensitity adjustment type IΔn
Adjustable
[IΔn] earth-leakage protection sensitivity adjustment range
0.03 A; 0.1 A; 0.3 A; 0.5 A; 1 A; 3 A; 5 A
Earth-leakage protection specific mode
OFF using the IΔn rotary switch
Earth-leakage protection time delay adjustement type Δt
Adjustable
[Δt] Earth-leakage protection time delay adjustment range
0 ms; 60 ms; 150 ms; 500 ms; 1 s
Zone selective interlocking ZSI
Without
Local signalling
Flashing LED (green) for ready to operate; LED 105 % Ir (red) for overload; LED 90 % Ir (orange) for overload; Color indicator (yellow) for residual current
Standards
EN/IEC 60947-2
Electrical shock protection class
Class II
Pollution degree
3 conforming to IEC 60947-1
IP degree of protection
IP40 conforming to IEC 60529
Ambient air temperature for operation
-25…70 °C
Ambient air temperature for storage
-40…85 °C
Warranty (in months)
18

Standards & Compliance

HS Code
8536.90

Cross References

  • EAN 3606481993960
  • SAP 1200534740
  • Code 82688228

Product Documentation

Document preview: Schneider Electric C1044A040 — OEM Product Page

Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy C1044A040?
C1044A040 can be ordered from cballast.com as a Schneider Electric catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
What is the manufacturer part number for this Schneider Electric product?
The manufacturer part number is C1044A040.
What is the HS code for C1044A040?
The customs tariff (HS) code for C1044A040 is 8536.90.
Who manufactures C1044A040?
C1044A040 is a Schneider Electric product in the Electrical Components range.
Is a datasheet available for C1044A040?
Yes — the C1044A040 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for C1044A040?
The minimum order quantity is 1.
Is C1044A040 available?
Yes — C1044A040 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).