Sargent MD8473 ETL Narrow Stile Concealed Vertical Rod Exit Device for Metal Doors – Fail Safe Electrified Lever Trim, Non-Rated, Grade 1
The Sargent MD8473 is a Grade 1 narrow-stile concealed vertical rod (CVR) exit device for metal doors with fail safe ETL outside trim. Electrified fail-safe ET trim. Power off unlocks the outside lever. No outside cylinder. Specify 12 VDC or 24 VDC. This listing is the non-rated panic device. The fire-labeled sibling is a separate listing.
Institutional Grade Features & Benefits
- Function 73: Electrified fail safe: power off unlocks the lever. No cylinder. 12 VDC or 24 VDC. Inside push rail is always free for egress.
- Concealed top and bottom rods inside the hollow metal door stile for a clean look and security. Order LHR or RHR.
- L lever on ET escutcheon trim (773-4). This function has no outside cylinder.
- ANSI/BHMA A156.3 Grade 1. UL305 panic. Hex key dogging is standard.
- Rail lengths E, F, J and G for 24 to 32, 33 to 36, 37 to 42 and 43 to 48 inch doors.
- Strikes: 650 top strike and 606 bottom strike. Door thickness 1-3/4 inch minimum; 31- for over 1-3/4 to 2-1/4 inch.
- Stile: 1-3/4 in minimum stile width; the stile must be hollow with at least 1-3/8 in square inside.
- Device centerline 41 inches above finished floor (38 inches for elementary schools).
- Electric options on this family include 53- latchbolt monitor, 55- rail signal switch, 56- motorized latch retraction, 58- electric dogging and 59- delayed egress.
- Choose 12 VDC or 24 VDC for the electrified ET trim.
- Non-keyed listing. No LA / LC / 60 / 70 cylinder options.
- Finishes on this listing: US32D Satin Stainless Steel / BHMA 630; US3 Polished Brass; US4 Satin Brass; US10 Satin Bronze; US10B Oil Rubbed Bronze; US10BE Oil Rubbed Bronze Equivalent.
Outside Trim Function: Fail Safe Electrified (Function 73)
The ETL outside lever on this MD8473 uses the fail safe function:
- Power Off: Unlocks the outside lever (fail safe).
- Cylinder: None. This is a non-keyed listing.
- Voltage: Choose 12 VDC or 24 VDC.
- Free Egress Always: Pushing the inside rail always retracts the latches.
- Lever: L design on this listing.
Technical Details
| Feature | Details |
|---|---|
| Device | MD8473 narrow-stile concealed vertical rod exit device |
| Door type | Hollow metal doors |
| Function | 73 Electrified fail safe: power off unlocks the lever. No cylinder. 12 VDC or 24 VDC. |
| Trim | ETL (773-4 ET control) with L lever |
| Fire class | Non-rated |
| Grade | ANSI/BHMA A156.3 Grade 1 |
| Listing | UL305 panic |
| Handing | LHR or RHR |
| Rail | E 24-32 in, F 33-36 in, J 37-42 in, G 43-48 in door |
| Strikes | 650 top strike and 606 bottom strike |
| Door height | Required on the order. 120 in max door opening |
| Door thickness | 1-3/4 in minimum; 31- for over 1-3/4 to 2-1/4 in |
| Stile | 1-3/4 in minimum stile width; the stile must be hollow with at least 1-3/8 in square inside |
| Centerline | 41 in AFF standard; 38 in for elementary schools |
| Fasteners | Machine screws supplied |
| Keying | None -- non-keyed |
| Finish | US32D Satin Stainless Steel / BHMA 630; US3 Polished Brass; US4 Satin Brass; US10 Satin Bronze; US10B Oil Rubbed Bronze; US10BE Oil Rubbed Bronze Equivalent |
| Voltage | 12 VDC or 24 VDC (choose one) |
| General - US Finishes | US32D - Satin Stainless Steel/ 630 or US3 - Polished Brass or US4 - Satin Brass or US10 - Satin Bronze or US10B - Oil Rubbed Bronze or US10BE - Oil Rub Bronze Equal |
| Voltage | 12 VDC or 24 VDC |
| Sargent Exit Device Rail Length | F - 36" Wide Door or J - 42" Wide Door or G - 48" Wide Door or E - 24" Wide Door |
| Door Handing | RHR or LHR |
| Sargent Exit Device Prefixes | 43 - Flush End Cap or 53 - Latchbolt Monitor Switch – available with 55, 56, 58, AL options) or 54 - Outside Lever Monitoring (not available with 04/10 function) or 55 - Signal Switch in Rail or 56 - Motorized Electric Latch Retraction (Minimum door width for narrow & wide stile is 28") or 58 - Electric Dogging or 59 - Electroguard Delay Egress (Not available with 16-, 53-, 55-, 56-, 58- Options) |
| Brand | Sargent |
| Series | Sargent - 80 Series, Sargent - 700 ET Series |
| Exit Device Type | CVR Exit Device |
| Exit Device Fire Rating | Non Rated Door |
| Exit Device Trim Function | Fail Safe |
| Door Height | 7'0" Dr Ht |
| Door Opening Width | 24 Inches, 36 Inches, 42 Inches, 48 Inches |
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