Description

1.Unboxing & Physical Snapshot (Dynamic List)
- Brand & Model: Allen-Bradley / Rockwell Automation 1694-PM233 (-CL2 variant) Electronic Circuit Protection Module
- Physical Dimensions: Approximately 12.5 mm (W) x 98.5 mm (H) x 80.0 mm (D)
- Estimated Shipping Weight: 0.06 kg (Ultra-lightweight modular component)
- What’s in the Box: Dual-channel electronic protection module housed in an antistatic ESD shielding bag, integrated side-bridge connectors, and factory safety data sheets. (Note: Power feed-in terminals and distribution busbars are sold separately).
2.Product Introduction
This hardware snaps directly onto standard DIN rails within modular electronic circuit protection (ECP) systems, interlocking mechanically with neighboring distribution blocks via side-mounted power distribution pins. Electrical technicians clip the narrow gray polyamide housing into high-density control cabinets—which is critical for saving precious panel footprint—routing 24V DC branch circuits through dual independent channels to safeguard sensitive field instrumentation against localized overloads.
Regulatory compliance dictates deploying certified OEM protection components rather than unverified generic fuses. Utilizing this exact modular circuit protector guarantees precise thermal-magnetic trip curves and selective load shedding, preventing cascading power interruptions across the entire automation rack during an unexpected short circuit.
3.Core Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / Series | 1694-PM233 / 1694 ECP System |
| Number of Channels | 2 Independent Channels |
| Rated Operating Current | 3 A Fixed per channel (Class 2 variant) |
| Supply Voltage | 24V DC nominal |
| Operating Temperature Range | -25°C to +70°C |
| Enclosure Protection | IP20 finger-safe housing |
| Termination Type | Push-in spring clamp terminals |
| Dimensions (W x H x D) | 12.5 mm x 98.5 mm x 80.0 mm |
| Approximate Weight | 0.06 kg (0.13 lbs) |
- Global Compliance & Industry Certifications
Auditors demand clear paperwork verifying that panel protection devices meet strict regional safety baselines. This electronic circuit protector carries major international approvals, including the CE Mark for European conformity, UL Listed / UL Recognized status for North American industrial panels, and Australian RCM compliance.
A proper UL listing ensures that internal solid-state current-limiting circuitry will safely interrupt overcurrent events without generating dangerous arcing or thermal runaways inside closed metallic enclosures. Verify specific lot certifications with OEM.
5.Long-Term Storage & Asset Preservation Guide (E-E-A-T Goldmine)
Stockroom environments frequently experience temperature and humidity swings that oxidize electronic contacts over multi-year storage cycles. Leave the module inside its original factory anti-static packaging until final panel assembly to shield the exposed side-bus pins from airborne pollutants and sulfur corrosion. Maintain storage facility climate controls below 60 percent relative humidity, preventing moisture accumulation on internal circuit board traces within the compact housing. Because this unit lacks internal lithium batteries or large electrolytic power capacitors prone to dry-out degradation, long-term shelf storage imposes minimal maintenance overhead beyond keeping stock bins elevated off concrete floors.
- Physical Installation Prerequisites
Snap the module securely onto a standard 35mm DIN rail inside a grounded metal control cabinet, ensuring the side-locking latches engage firmly with adjacent power distribution blocks. Verify that incoming wire gauges match the spring-clamp terminal ratings (accommodating up to 2.5 mm² conductors for standard distribution lines), and confirm that the main 24V DC power supply meets the ripple and transient suppression criteria required by solid-state protection devices.
- Buyer’s FAQ (Logistics & Compliance Focus)
- Which Harmonized System (HS) tariff code governs international shipments of this module? Electronic circuit protection devices and modular switches generally fall under HS code 8536.30 (automatic circuit breakers and apparatus for protecting electrical circuits), though customs brokers should verify local classifications.
- Does the module arrive pre-configured with firmware or software? This hardware operates via pure solid-state analog and digital comparator logic without user-programmable firmware, meaning it deploys immediately out of the box without software flashing requirements.
- How does the Country of Origin affect trade compliance documentation? Manufacturing origins (such as Germany) must be explicitly stated on commercial invoices and packing lists to satisfy regional trade agreements and preferential duty programs.
- What insurance coverage is appropriate during freight transit? Standard commercial courier insurance covering total invoice value is recommended to protect against loss or transit crushing of small electronic components.



