Honeywell Searchline Excel 157-001-121 – Junction Box, see description, ATEX / IECEx, see description
157-001-121 is a Searchline Excel Junction Box: Stainless Steel (316) Junction Box, ATEX Ex d Zone1, 1xM20 & 1xM20 @90°. It does not detect gas by itself and must be paired with a Searchline Excel transmitter/receiver.
Siblings: output 2104N4214, approval 157-001-100, path 2104N4214.
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Part-number decode
| Segment | Meaning | This SKU |
|---|---|---|
| Family | Searchline Excel IR open path | accessory |
| Type | System / alignment / accessory / spare | Junction Box |
| Path | SR 5–40 m / MR 40–120 m / LR 120–200 m | see description |
| Output | 4–20 mA source or sink, optional Modbus/HART | see description |
| Approval | ATEX/IECEx, UL, CSA/FM, INMETRO, CU-TR | ATEX / IECEx |
| Gas | Hydrocarbon or ethylene curve | Hydrocarbon |
| Enclosure | 316 stainless steel | 316SS |
| Handheld | Alignment kit includes HHI | — |
Technical specifications
| Category | accessory / Junction Box |
|---|---|
| Description | Stainless Steel (316) Junction Box, ATEX Ex d Zone1, 1xM20 & 1xM20 @90° |
| Gas | Hydrocarbon |
| Path length | see description |
| Range | — |
| Output | see description |
| Approvals | ATEX / IECEx |
| Enclosure | 316 不锈钢 |
| Principle | Open-path IR (xenon flash + solid-state detector) |
| Response | 随本体 |
| Ingress | 随本体 |
Why this part number
Specify 157-001-121 so alignment, glands, junction boxes or spares match this IR open-path family. Do not substitute Excel Plus/Edge 2017B kits or Sensepoint XCD cartridges.
Spares and mates
157-001-121 is Searchline Excel Junction Box. This SKU is an alignment kit, junction box or spare and needs a Searchline Excel detector. Matrix: product-9020. Do not substitute Sensepoint XCD cartridges, XNX personalities or Excel Plus/Edge.
Typical applications
157-001-121 ships with Searchline Excel open-path systems for install, alignment, weather protection or service.
Selection contrast
| P/N | Type | Path | Cert | Output |
|---|---|---|---|---|
| 2104N4214 | Junction Box | SR | ATEX | 4–20 mA source |
| 157-001-100 | Junction Box | — | — | see description |
| 157-001-120 | Junction Box | — | ATEX | see description |
| 157-001-122 | Junction Box | — | ATEX | see description |
| 2104N4224 | Junction Box | LR | ATEX | 4–20 mA source |
Installation and service
Isolate power before fitting 157-001-121. Alignment kits split short vs medium/long range. Glands, sunshades and junction boxes must match Searchline Excel IR, not Plus/Edge.
FAQ
- Lead time?
- Lot-based. Do not substitute a look-alike 2104D/02104 SKU without matching the part number.
- Retap approval?
- No — order the approval sibling SKU.
- Flip source/sink on site?
- No — order the sibling output SKU.
- Install environment?
- Clear optical path, vibration/glare control, earthing per manual.
- Use Plus accessories?
- Usually no — select IR-series specific parts.
Documents
Searchline Excel IR datasheet · Chinese specification · On-site part-number matrix
Availability and enquiry
Availability: Not in stock — orders accepted; lead time approx. 16 weeks. Quote full P/N 157-001-121, gas/range and approval.