Allen-Bradley 1492-H4 Fusible Terminal Block
$123.00
$320.00
Description
Allen-Bradley 1492-H4 Fusible Terminal Block
Configured for single-circuit fuse protection and visual status indication in industrial control panels, the Allen-Bradley 1492-H4 (1492-H4 Fusible Terminal Block) provides direct physical and electrical execution of safe wiring connections across 1492-H series assemblies.
Suffix Breakdown & Model Matrix
The 1492-H4 is a specific variant within the 1492-H series:
-
H4: Single-pole, screw-type fuse terminal block with neon blown fuse indicator.
No further alphanumeric suffix decomposition is provided by the manufacturer.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1492-H4 |
| Brand | Allen-Bradley |
| Origin | Rockwell Automation |
| Weight | 0.05 lbs |
| Dimensions | 47 × 9.1 × 81.3 mm (Depth × Width × Height) |
| Operating Temp | -40 to +90 deg C |
| Power Consumption | ≤2 mA (Neon indicator) |
| Nominal Voltage | 300 V AC/DC |
| Maximum Current | 15 A |
| Wire Range | #30…12 AWG (0.05–4 mm²) |
| Wire Strip Length | 9.7 mm |
| Tightening Torque | 0.3–0.8 N·m |
| Indicator Type | Neon blown fuse indicator |
| Fuse Size | 1/4 × 1-1/4 in or 5 × 20 mm (not supplied) |
| Housing Material | Polyamide 6.6, UL 94-V0 self-extinguishing |
| Package Quantity | 25 units |
| Certifications | CSA, IEC, CE marked, UL recognized |
I/O Density Scaling
1492-H4 blocks support high-density panel layouts with compact spacing between terminal rows. Screw-type terminals maintain secure conductor retention while enabling modular expansion. Neon indication allows immediate visual verification of fuse status without interrupting circuit operation. Conductor routing must preserve finger-safe spacing to comply with IEC and CSA standards. Backplane bus or jumper connections should observe torque and wire gauge specifications for optimal electrical integrity.
Frequently Asked Questions
Q: Can the 1492-H4 be installed on standard DIN rails?
A: Yes, it is compatible with both steel and aluminum symmetrical DIN rails. Ensure full rail engagement for mechanical stability.
Q: Is the neon indicator polarity-sensitive?
A: Neon indicators are designed for AC circuits; correct orientation must be verified during installation to ensure proper operation.
Q: Can multiple 1492-H4 blocks be connected in series with jumpers?
A: Yes, screw-type or plug-in jumpers can be used, respecting current rating limits and maintaining finger-safe spacing.
Field Installation Guidelines
-
Mount the block securely on a symmetrical DIN rail and confirm mechanical engagement.
-
Install end barriers (1492-N37) at the row edges to maintain finger-safe separation.
-
Strip wires to 9.7 mm and tighten terminals to 0.3–0.8 N·m to ensure secure electrical contact without damaging the polyamide housing.
-
Verify neon indicator orientation and wire polarity before energizing circuits.
-
Maintain minimum spacing between adjacent terminals for compliance with CSA and IEC insulation requirements.
-
Use snap-in marker cards (1492-MS8X12, 1492-MS8X9) for proper identification of circuits.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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