SCS ECWS61M-1, ESD Wrist Strap 6' Cord W/ 4mm Snap
SCS ECWS61M-1, ESD Wrist Strap, 6 ft Coiled Cord with 4mm Snap
The SCS ECWS61M-1 is a single-wire ESD wrist strap with a 6 ft coiled cord and 4mm snap connector — one of the most widely used wrist strap configurations in electronics manufacturing and ESD-protected workstations. The coiled cord extends to 6 ft for operator freedom of movement while retracting to keep the workstation tidy. The integrated 1 MΩ series resistor provides the required current-limiting protection per ANSI/ESD S20.20, and the 4mm snap connects to the vast majority of ESD workstation monitors and ground cords.
Specifications
| Spec | Value |
|---|---|
| SKU | ECWS61M-1 |
| Brand | SCS |
| Cord Length | 6 ft (coiled) |
| Connector | 4mm snap |
| Series Resistor | 1 MΩ |
| Wrist Strap Type | Single-wire |
| Compliance | ANSI/ESD S20.20, ANSI/ESD STM13.1 |
| Compatible With | SCS continuous monitors, Desco monitors, standard 4mm snap ground cords |
| Stock Location | Canton, MA |
Key Features
- 6 ft Coiled Cord: Extends to 6 ft for operator freedom of movement — retracts to keep the workstation organized and cord-tangle-free.
- 4mm Snap Connector: Industry-standard connector compatible with the vast majority of ESD workstation monitors, ground cords, and common point grounds.
- 1 MΩ Series Resistor: Provides required current-limiting protection per ANSI/ESD S20.20 — protects the operator from electrical shock while maintaining the ground path.
- ANSI/ESD S20.20 Compliant: Meets wrist strap requirements per ANSI/ESD S20.20 and ANSI/ESD STM13.1.
- SCS Quality: SCS is a leading manufacturer of ESD control products with a long track record in personnel grounding equipment.
Frequently Asked Questions
Is the SCS ECWS61M-1 compatible with Desco continuous monitors?
Yes. The ECWS61M-1 uses a standard 4mm snap connector, which is compatible with Desco continuous monitors (19239, 19336, 19337, 19655, 19656, 19662) and most other ESD workstation monitors that accept 4mm snap wrist strap connections.
Why does the wrist strap have a 1 MΩ resistor?
The 1 MΩ series resistor is required by ANSI/ESD S20.20 to limit current flow in the event the operator contacts a live voltage source. It provides electrical shock protection while still maintaining an effective ground path for ESD control. All ANSI/ESD S20.20-compliant wrist straps include this resistor.
How often should the SCS ECWS61M-1 wrist strap be tested?
ANSI/ESD S20.20 requires wrist straps to be tested at least daily using a calibrated wrist strap tester or continuous monitor. If your facility uses a continuous monitor (such as the Desco 19239 or SCS monitors), the wrist strap is verified in real time throughout the shift. If using a periodic tester, test at the start of each shift.
What is the difference between a single-wire and dual-wire wrist strap?
A single-wire wrist strap like the ECWS61M-1 has one ground conductor. A dual-wire wrist strap has two conductors — a primary and a redundant ground path. Dual-wire straps are required by some high-reliability ESD programs (aerospace, defense, medical device) where a single point of failure in the ground path is not acceptable. For most ANSI/ESD S20.20 programs, single-wire wrist straps are standard.
