⒈Q: What is the difference between M5041 and M5042?
A: Both products belong to the HRB RAST 5 screw terminal tab header family, sharing the same 5.0mm pitch, electrical rating and core performance specifications. The only difference between them lies in mechanical configuration: one is equipped with an auxiliary handle latch for easier plug/unplug operation, while the other features a standard locking structure, to meet different assembly and maintenance requirements.
HRB P/N series
| cable exit | keying | Test hole | Handle latch |
| M5041 | Angular(90°), opposite to lock | YES(anti-misplug) | YES | YES |
| M5042 | Angular(90°), opposite to lock | YES(anti-misplug) | YES | NO |
⒉Q: How do I choose between the M5041 and M5042 series?
A: The only key difference between the two variants is the auxiliary handle latch design, which is tailored to different assembly and maintenance scenarios:
①Choose M5041 series, the variant with handle latch if your application requires frequent disassembly, maintenance, or installation in tight spaces where manual force is limited. The latch provides leverage for easy plug/unplug, reduces strain on the PCB and connectors, and speeds up on-site service work.
②Choose M5042 series, the standard variant without handle latch if your application features fixed, one-time installation with limited space around the connector, or if the design calls for a compact, low-profile header without additional mechanical components. It delivers the same core electrical performance and locking reliability in a simpler form factor.
Both variants share identical 5.0mm pitch, screw-lift clamp termination, test holes, anti-mismatch keying, and safety certifications, ensuring consistent performance across household appliances, HVAC, and industrial control applications.
⒊Q: What is the purpose of the test holes on this connector?
A: The test holes allow direct access to conductor contacts for quick voltage and continuity checks without disconnecting the connector, simplifying on-site maintenance and troubleshooting.
⒋Q: How do I choose between the latch and non-latch versions?
A: Choose the latch version for easier plug/unplug in tight spaces or for frequent maintenance. Choose the non-latch version for compact, one-time installation scenarios. Both versions share identical core electrical performance.
⒌Q: What is the lead time for these RAST 5 screw terminal tab header?
A: All lead times are based on standard production and do not include shipping transit time.
①Samples (non‑stock / custom): 2-3 weeks.
②Bulk orders (non‑stock / custom): 4-6 weeks (subject to order quantity and production schedule).
⒍Q: What is the MOQ for these RAST 5 screw terminal tab header?
A: Bulk / non‑stock orders: 5,000 pieces (negotiable based on quantity and customization).
