Description
Product Brief Correction
Note: The RTBAG5A is the “A” revision of the penta-bank board, featuring removable screw terminals (versus cage clamp on the base RTBAG5). Electrical specifications are identical to RTBAG5. See RTBAG5 entry for complete electrical and mechanical specifications. This entry focuses on the “A” revision differences.
Key Differences: RTBAG5 vs RTBAG5A
| Feature | RTBAG5 (Base) | RTBAG5A (A Revision) |
|---|---|---|
| Terminal type | Cage clamp (spring) | Screw clamp (rising cage) |
| Wire preparation | Ferrules recommended | Ferrules optional (wire protector) |
| Vibration resistance | Moderate | High |
| Rewiring speed | Faster (no tools) | Slower (screwdriver required) |
| Terminal torque | N/A (spring) | 0.5–0.6 Nm |
| Spare terminals | Included | Included |
| Color coding per bank | Yes (gray, black, blue, green, orange) | Yes (same) |
Key Selling Points & Differentiators (RTBAG5A Specific)
- Screw terminals for high-vibration environments – Preferred for turbine decks, compressor skids, and outdoor cabinets. Screw terminals maintain clamping force under vibration where cage clamps can loosen.
- Removable terminal blocks on all 240 terminals – Each 3-position block (C, NO, NC) is removable. Replace a damaged block without unwiring the entire board.
- Color-coded per bank – Bank A (gray), Bank B (black), Bank C (blue), Bank D (green), Bank E (orange). Reduces wiring errors.
- Wire protectors prevent strand breakage – Stainless steel plate under screw head. Ferrules optional for 16 AWG and smaller.
- Torque card included – Laminated card shows torque settings (0.5–0.6 Nm) for all wire gauges.
- 2-year warranty – Same coverage as RTBAG5.
Frequently Asked Questions (RTBAG5A Specific)
Q: What is the difference between RTBAG5 and RTBAG5A?
A: Terminal type only. RTBAG5 uses cage clamp (spring) terminals for faster wiring. RTBAG5A uses screw terminals for higher vibration resistance. Electrically identical: same 80 relays, 5 A contacts, 5 isolated banks, 1200 mA backplane current, 240 terminals.
Q: Can I replace an RTBAG5 with an RTBAG5A without changing wiring?
A: No. The terminal blocks have different retention mechanisms. Re-land all 240 field wires. Allow 16–24 hours for re-termination.
Q: What torque for the screw terminals?
A: 0.5–0.6 Nm (4.4–5.3 lb-in). Do not exceed 0.7 Nm. Use torque screwdriver. Torque card included.
Q: Will the RTBAG5A fit in the same cabinet as RTBAG5?
A: Yes. Identical dimensions: 560 mm x 260 mm x 55 mm. Same clearance requirements.
Q: What shipping protection?
A: Same as RTBAG5: custom foam cradle, double-wall box, shock indicator. Each board ships individually. Pallet recommended.

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