Littelfuse Inc. ECSL40BH
- Part No.:
- ECSL40BH
- Manufacturer:
- Littelfuse Inc.
- Category:
- Relay Output Monitors
- Package:
- Datasheet:
-
ECSL40BH.pdf
- Description:
- RELAY CUR SENSE 120VAC 0.5-5A
- Quantity:
- Payment:

- Shipping:

Inventory:4,460
Please send an inquiry. Send us your inquiry, and we will respond immediately.
ECSL40BH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Littelfuse Inc.
- Series:
- ECS
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Current Sensing AC
- Trip Status:
- Energized Low
- Trip Range:
- 0.5 ~ 5A AC
- Delay Time:
- 0.5 Sec ~ 50 Sec
- Voltage - Supply:
- 120VAC
- Output Type:
- Relay
- Circuit:
- SPDT (1 Form C)
- Contact Rating @ Voltage:
- 10A @ 240VAC
- Mounting Type:
- Chassis Mount
ECSL40BH FAQ
1.How can I place an order for ECSL40BH through Aetrix?
Please submit a Request for Quotation (RFQ) for ECSL40BH on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ECSL40BH reliable?
The price and inventory of ECSL40BH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ECSL40BH is usually 5 days.
3.What payment methods are accepted for ECSL40BH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ECSL40BH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ECSL40BH?
ECSL40BH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ECSL40BH order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ECSL40BH?
For technical support, including ECSL40BH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ECSL40BH requirements.
6.How does Aetrix verify that ECSL40BH is sourced from the original manufacturer or authorized distributors?
All ECSL40BH products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ECSL40BH meets industry standards.
7.What is the process for return or replacement of ECSL40BH?
All ECSL40BH units undergo pre-shipment inspection (PSI). If there is an issue with ECSL40BH, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ECSL40BH part is unused and in its original packaging.
Return procedure for ECSL40BH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ECSL40BH Tags

-
2903528
Phoenix Contact
-
CR4395-EH-120-110-X-CD-ELR-I
CR Magnetics Inc.

-
DPA01CM44
Carlo Gavazzi Inc.

-
2905597
Phoenix Contact

-
SLA-440-ASA
ATC-Diversified Electronics
-
84872130
Crouzet
-
DUB01CD48500V
Carlo Gavazzi Inc.

-
K8AK-AS2 24VAC/DC
Omron Automation and Safety

-
PLM9405
Littelfuse Inc.

-
3UG45121AR20
Siemens
-
K8DT-AS2CD
Omron Automation and Safety
-
K8AK-VW2 24VAC/DC
Omron Automation and Safety
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…

